Staff Profiles

Dr. Graham R. Isaac

BA., PHD.

Biography

Peer Reviewed Journals

	Year	Publication
	(2011)	'Nauka i patriotizm: drevnejshaja vallijskaja poëzija. Neprikosnovennyj Zapas: Debaty o Politike i Kul´ture 77, 79-87. [Russian translation of ‘Scholarship and patriotism: the case of the oldest Welsh poetry’' Isaac, G.R. (2011) 'Nauka i patriotizm: drevnejshaja vallijskaja poëzija. Neprikosnovennyj Zapas: Debaty o Politike i Kul´ture 77, 79-87. [Russian translation of ‘Scholarship and patriotism: the case of the oldest Welsh poetry’'. Studi Celtici, 1 :67-81 [Details]
	(2009)	'A note on the name of Ireland in Irish and Welsh' Isaac, G. (2009) 'A note on the name of Ireland in Irish and Welsh'. Ériu, 59 :49-55 [Details]
	(2009)	'Medieval Welsh Englynion Duad and Proto-Indo-European die´us ph2te´r' Isaac, G. (2009) 'Medieval Welsh Englynion Duad and Proto-Indo-European die´us ph2te´r'. Journal of Celtic Studies, 5 :97-106 [Details]
	(2008)	'Review article on McCone, Kim, A First Old Irish Grammar and Reader including an Introduction to Middle Irish, Maynooth, 2005; Stifter, David, Sengoídelc: Old Irish for Beginners, Syracuse, NY, Syracuse University Press, 2006; Tigges, Wim, in collaboration with Feargal Ó Béarra, An Old Irish Primer, Nijmegen, Stichting Uitgeverij de Keltische Draak; Münster, Nodus Publikationen, 2006' Isaac, G. (2008) 'Review article on McCone, Kim, A First Old Irish Grammar and Reader including an Introduction to Middle Irish, Maynooth, 2005; Stifter, David, Sengoídelc: Old Irish for Beginners, Syracuse, NY, Syracuse University Press, 2006; Tigges, Wim, in collaboration with Feargal Ó Béarra, An Old Irish Primer, Nijmegen, Stichting Uitgeverij de Keltische Draak; Münster, Nodus Publikationen, 2006'. Journal Of Celtic Linguistics, 12 (1):139-160 [Details]
	(2008)	'The Poets of the Nobility Series' Isaac, G. R. (2008) 'The Poets of the Nobility Series'. Cambrian Medieval Celtic Studies, (5656):111-112 [Details]
	(2008)	'Two notes on the ‘great’ Celtiberian inscription of Peñalba de Villastar' Isaac, G. (2008) 'Two notes on the ‘great’ Celtiberian inscription of Peñalba de Villastar'. Studia Celtica, 42 :160-166 [Details]
	(2008)	'The Verb in the Book of Aneirin: addenda and corrigenda' Isaac, G. (2008) 'The Verb in the Book of Aneirin: addenda and corrigenda'. Zeitschrift für celtische Philologie, 56 :119-128 [Details]
	(2008)	'Brittonic voiceless spirants again' Isaac, G. (2008) 'Brittonic voiceless spirants again'. Journal of Celtic Linguistics, 12 :17-37 [Details]
	(2007)	*'The reflexes of the British diphthong au'** Isaac, G. (2007) 'The reflexes of the British diphthong au'. Journal of Celtic Linguistics*, 11 :23-47 [Details]
	(2007)	'Review article on Kim McCone, The Origins and Development of the Insular Celtic Verbal Complex (= Maynooth Studies in Celtic Linguistics VI). Maynooth, The Department of Old Irish, National University of Ireland, Maynooth' Isaac, G. (2007) 'Review article on Kim McCone, The Origins and Development of the Insular Celtic Verbal Complex (= Maynooth Studies in Celtic Linguistics VI). Maynooth, The Department of Old Irish, National University of Ireland, Maynooth'. Journal Of Celtic Linguistics, 11 :131-159 [Details]
	(2007)	'A new conjecture on the origins of absolute and conjunct flexion' Isaac, G. (2007) 'A new conjecture on the origins of absolute and conjunct flexion'. Ériu, 57 :49-60 [Details]
	(2006)	'Remetodia' Falileyev, A. (2006) 'Remetodia'. Acta Onomastica, 47 :173-176 [Details]
	(2005)	'A note on Cormac’s Pictish brooch' Isaac, G. (2005) 'A note on Cormac’s Pictish brooch'. Journal of Celtic Linguistics, 9 :73-82 [Details]
	(2005)	'Welsh sudd ‘juice’, hufen ‘cream’' Isaac, G. (2005) 'Welsh sudd ‘juice’, hufen ‘cream’'. Studia Celtica, 38 :179-180 [Details]
	(2005)	'The nature and origins of the Celtic languages: Atlantic seaways, Italo-Celtic and other paralinguistic misapprehensions' Isaac, G. (2005) 'The nature and origins of the Celtic languages: Atlantic seaways, Italo-Celtic and other paralinguistic misapprehensions'. Studia Celtica, 38 :49-58 [Details]
	(2004)	'The Old- and early-Middle-Welsh ‘future’ tense: form and function of a moribund category' Isaac, G. (2004) 'The Old- and early-Middle-Welsh ‘future’ tense: form and function of a moribund category'. Journal of Celtic Studies, 4 :153-170 [Details]
	(2004)	'The chronology of the development of Brittonic stops and the spirant mutation' Isaac, G. (2004) 'The chronology of the development of Brittonic stops and the spirant mutation'. Journal of Celtic Linguistics, 8 :49-85 [Details]
	(2004)	'Canu Aneirin awdl LI revisted: Gildas and the Gododdin' Isaac, G. (2004) 'Canu Aneirin awdl LI revisted: Gildas and the Gododdin'. Zeitschrift für celtische Philologie, 54 :144-153 [Details]
	(2003)	'The Celtiberian alphabetic signs san and sigma, and the ablative singular' Isaac, G. (2003) 'The Celtiberian alphabetic signs san and sigma, and the ablative singular'. Studia Celtica, 36 :1-20 [Details]
	(2003)	'Meaning and structure, composition and representation: readings from a Welsh construction' Isaac, G. (2003) 'Meaning and structure, composition and representation: readings from a Welsh construction'. Studi Celtici, 2 :265-275 [Details]
	(2003)	'Some Old Irish etymologies, and some conclusions drawn from them (= Varia I)' Isaac, G. (2003) 'Some Old Irish etymologies, and some conclusions drawn from them (= Varia I)'. Ériu, 52 :151-155 [Details]
	(2003)	'Welsh byw, byd, hyd' Isaac, G. (2003) 'Welsh byw, byd, hyd'. Studia Celtica, 36 :145-147 [Details]
	(2003)	'Prospects in Old Irish syntax' Isaac, G. (2003) 'Prospects in Old Irish syntax'. Zeitschrift für celtische Philologie, 53 :181-197 [Details]
	(2003)	'Leeks and garlic: the Germanic ethnonym Cannenefates, Celtic kasn- and Slavic kesn-' Falileyev, A. (2003) 'Leeks and garlic: the Germanic ethnonym Cannenefates, Celtic kasn- and Slavic kesn-'. North Western European Language Evolution, 42 :3-12 [Details]
	(2003)	'Cymraeg rhyngu, rhanc, Hen Wyddeleg ro-icc; Dadl y Corff ar Enaid ll. 128 dinag' Isaac, G. (2003) 'Cymraeg rhyngu, rhanc, Hen Wyddeleg ro-icc; Dadl y Corff ar Enaid ll. 128 dinag'. Studia Celtica, 36 :141-145 [Details]
	(2002)	'Dewiniaeth yn Manawydan fab Llyr' Isaac, G. (2002) 'Dewiniaeth yn Manawydan fab Llyr'. Dwned, 8 :79-86 [Details]
	(2002)	'Ymddiddan Taliesin ac Ugnach: propaganda Cymreig yn oes y Croesgadau? (See the correction in ‘Nodyn golygyddol’, Llên Cymru 26 (2003), 17.)' Isaac, G. (2002) 'Ymddiddan Taliesin ac Ugnach: propaganda Cymreig yn oes y Croesgadau? (See the correction in ‘Nodyn golygyddol’, Llên Cymru 26 (2003), 17.)'. Llên Cymru, 25 :12-20 [Details]
	(2002)	'Gwarchan Maeldderw: a ‘lost’ medieval Welsh classic?' Isaac, G. (2002) 'Gwarchan Maeldderw: a ‘lost’ medieval Welsh classic?'. Cambrian Medieval Celtic Studies, 44 :73-96 [Details]
	(2002)	'Scholarship and patriotism: the case of the oldest Welsh poetry' Isaac, G. (2002) 'Scholarship and patriotism: the case of the oldest Welsh poetry'. Studi Celtici, 1 :67-81 [Details]
	(2001)	'Mydr a pherfformiad yr Hengerdd' Isaac, G. (2001) 'Mydr a pherfformiad yr Hengerdd'. Dwned, 7 :9-26 [Details]
	(2001)	'Nodiadau ar linellau ac awdlau or Gododdin' Isaac, G. (2001) 'Nodiadau ar linellau ac awdlau or Gododdin'. Studia Celtica, 35 :271-283 [Details]
	(2001)	'An Indo-European athematic imperfect in Welsh? Middle Welsh gwant' Isaac, G. (2001) 'An Indo-European athematic imperfect in Welsh? Middle Welsh gwant'. Studia Celtica, 35 :355-360 [Details]
	(2001)	'The Gaulish inscription of Séraucourt à Bourges' Isaac, G. (2001) 'The Gaulish inscription of Séraucourt à Bourges'. Studia Celtica, 35 :351-354 [Details]
	(2001)	'The function and typology of absolute and conjunct flexion in early Celtic: some hints from Ancient Egyptian' Isaac, G. (2001) 'The function and typology of absolute and conjunct flexion in early Celtic: some hints from Ancient Egyptian'. Transactions of the Philological Society, :147-170 [Details]
	(2001)	'Myrddin, proffwyd diwedd y byd: ystyriaethau newydd ar ddatblygiad ei chwedl' Isaac, G. (2001) 'Myrddin, proffwyd diwedd y byd: ystyriaethau newydd ar ddatblygiad ei chwedl'. Llên Cymru, 24 :13-23 [Details]
	(2000)	'Dau nodyn ar englynion Geraint fab Erbin yn Llyfr Du Caerfyrddin' Isaac, G. (2000) 'Dau nodyn ar englynion Geraint fab Erbin yn Llyfr Du Caerfyrddin'. Studia Celtica, 34 :273-274 [Details]
	(2000)	'The most recent model of the development of absolute and conjunct flexion (= Varia I)' Isaac, G. (2000) 'The most recent model of the development of absolute and conjunct flexion (= Varia I)'. Ériu, 51 :63-68 [Details]
	(2000)	'leubrit, loubrit' Isaac, G. (2000) 'leubrit, loubrit'. Studia Celtica, 34 :271-272 [Details]
	(2000)	'Colli sillafau mewn Brythoneg' Isaac, G. (2000) 'Colli sillafau mewn Brythoneg'. Studia Celtica, 34 :105-118 [Details]
	(2000)	'Naw englyn y Juvencus llinell 6c' Isaac, G. (2000) 'Naw englyn y Juvencus llinell 6c'. Studia Celtica, 34 :272-273 [Details]
	(1999)	'Review article on John T. Koch, The Gododdin of Aneirin (1997)' Isaac, Graham (1999) 'Review article on John T. Koch, The Gododdin of Aneirin (1997)'. Llên Cymru, 22 :138-162 [Details]
	(1999)	'Trawsganu Kynan Garwyn mab Brochuael: a tenth-century political poem' Isaac, Graham (1999) 'Trawsganu Kynan Garwyn mab Brochuael: a tenth-century political poem'. Zeitschrift Fur Celtische Philologie, 51 :173-185 [Details]
	(1999)	'Readings in the history and transmission of the Gododdin' Isaac, Graham (1999) 'Readings in the history and transmission of the Gododdin'. Cambrian Medieval Celtic Studies, 37 :55-78 [Details]
	(1998)	'Gweith Gwen Ystrat and the northern heroic age of the sixth century' Isaac, Graham (1998) 'Gweith Gwen Ystrat and the northern heroic age of the sixth century'. Cambrian Medieval Celtic Studies, 36 :61-70 [Details]
	(1998)	'deibide (=Varia I)' Isaac, G. (1998) 'deibide (=Varia I)'. Eriu, 49 :161-163 [Details]
	(1997)	'Vocative plural of masculine (y)o- stems in Old Irish' Isaac, G. (1997) 'Vocative plural of masculine (y)o- stems in Old Irish'. Zeitschrift Für Celtische Philologie, 49-50 :333-340 [Details]
	(1997)	'Two Continental Celtic verbs: 1. ieuru; 2. amPiTiśeTi' Isaac, G. (1997) 'Two Continental Celtic verbs: 1. ieuru; 2. amPiTiśeTi'. Studia Celtica, 31 :161-171 [Details]
	(1997)	'The date and origin of Cædmon’s Hymn' Isaac, G. (1997) 'The date and origin of Cædmon’s Hymn'. Neuphilologische Mitteilungen, 98 :217-228 [Details]
	(1995)	'Canu Aneirin ll. 1234: oed guenuin hic caraitet' Isaac, G. (1995) 'Canu Aneirin ll. 1234: oed guenuin hic caraitet'. Studia Celtica, 29 :300-301 [Details]
	(1994)	'The progressive aspect marker: W yn / OIr. oc' Isaac, G. (1994) 'The progressive aspect marker: W yn / OIr. oc'. Journal Of Celtic Linguistics, 3 :33-39 [Details]
	(1994)	'2 WELSH ETYMOLOGIES - MIDDLE-WELSH REI AND THE -EI ENDING OF THE 3RD-PERSON SINGULAR OF THE IMPERFECT' ISAAC, GR (1994) '2 WELSH ETYMOLOGIES - MIDDLE-WELSH REI AND THE -EI ENDING OF THE 3RD-PERSON SINGULAR OF THE IMPERFECT'. Zeitschrift Fur Celtische Philologie, 46 :200-220 [Details]
	(1994)	'Some Welsh etymologies: 1. gwartheg, 2. bustach; 2. tayawg; 3. yrof' Isaac, G. (1994) 'Some Welsh etymologies: 1. gwartheg, 2. bustach; 2. tayawg; 3. yrof'. Études Celtiques, 29 :229-231 [Details]
	(1994)	'The end of the world in Welsh and Irish, a common disaster' Isaac, G. (1994) 'The end of the world in Welsh and Irish, a common disaster'. Studia Celtica, 28 :173-174 [Details]
	(1993)	'Mydr a morffoffonemeg yn yr Hengerdd' Isaac, G. (1993) 'Mydr a morffoffonemeg yn yr Hengerdd'. Bulletin Of The Board Of Celtic Studies-Bwletin Y Bwrdd Gwybodau Celtaidd, 40 :1-16 [Details]
	(1993)	'Canu Aneirin awdl LI' Isaac, G. (1993) 'Canu Aneirin awdl LI'. Journal Of Celtic Linguistics, 2 :65-91 [Details]
	(1993)	'Issues in the reconstruction and analysis of Insular Celtic syntax and phonology' Isaac, G. (1993) 'Issues in the reconstruction and analysis of Insular Celtic syntax and phonology'. Eriu, 44 :1-32 [Details]
	(1993)	'NUMBERS IN EARLY WELSH POETRY' ISAAC, GR (1993) 'NUMBERS IN EARLY WELSH POETRY'. Journal Of Indo-European Studies, 21 :359-365 [Details]

Books

	Year	Publication
	(2007)	Studies in Celtic Sound Changes and their Chronology (= Innsbrucker Beiträge zur Sprachwissenschaft 127). Innsbrucker Beiträge zur Sprachwissenschaft, Innsbruck. Isaac, G. (2007) Studies in Celtic Sound Changes and their Chronology (= Innsbrucker Beiträge zur Sprachwissenschaft 127). Innsbrucker Beiträge zur Sprachwissenschaft, Innsbruck. [Details]
	(1996)	The Verb in the Book of Aneirin: Studies in Syntax, Morphology and Etymology. Buchreihe der Zeitschrift für celtische Philologie. Isaac, G. (1996) The Verb in the Book of Aneirin: Studies in Syntax, Morphology and Etymology. Buchreihe der Zeitschrift für celtische Philologie. : Max Niemeyer, Tübingen. [Details]

Book Chapters

	Year	Publication
	(2011)	'What are the parameters for postulating genetic, contact-based or typological explanations in comparative language studies? Some basic theoretical considerations' Isaac, G. (2011) 'What are the parameters for postulating genetic, contact-based or typological explanations in comparative language studies? Some basic theoretical considerations' In: Formal and Historical Approaches to Celtic Languages (Lublin Studies in Celtic Languages, Vol. 7). Lublin: Catholic University of Lublin. [Details]
	(2011)	'The designation of Old Irish as a 'Celtic' language' Isaac, G. (2011) 'The designation of Old Irish as a 'Celtic' language' In: Researching the Languages of Ireland. Uppsala: Uppsala Universitet. [Details]
	(2009)	'Wege der Kelten. Wege der Keltologie: Kulturwissenschaftliche Betrachtungen zur Funktion einer Geisteswissenschaft' Isaac, G. (2009) 'Wege der Kelten. Wege der Keltologie: Kulturwissenschaftliche Betrachtungen zur Funktion einer Geisteswissenschaft' In: Festgabe für Hildegard L. C. Tristram überreicht von Studenten, Kollegen und Freunden des ehemaligen Faches Keltologie der Albert-Ludwigs-Universität, Freiburg. Curach Bhán Publications, Berlin. [Details]
	(2009)	'‘Torann a dheireadh’ sa Bhreatain Bheag freisin! Eascaiteolaíocht as traidisiún na Breatnaise' Isaac, G. (2009) '‘Torann a dheireadh’ sa Bhreatain Bheag freisin! Eascaiteolaíocht as traidisiún na Breatnaise' In: Diasa Díograise: Aistí i gCuimhne ar Mháirtín Ó Briain. Cló Iar-Chonnachta, Indreabhán. [Details]
	(2007)	'Paths of the Celts, Paths of Celtic Studies: cultural reflections on the function of an ‘Arts subject’' Isaac, G. (2007) 'Paths of the Celts, Paths of Celtic Studies: cultural reflections on the function of an ‘Arts subject’' In: The Celtic World: Critical Concepts in Historical Studies. Four Volumes. London, Routledge. [Details]

Conference Publications

	Year	Publication
	(2010)	*Celtic from the West: Alternative Perspectives from Archaeology, Genetics, Language and Literature* Isaac, G. (2010) The origins of the Celtic languages: language spread from East to West. Celtic from the West . In: Cunliffe, Barry; Koch, John T eds. Celtic from the West: Alternative Perspectives from Archaeology, Genetics, Language and Literature , pp.153-167 [Details]
	(2010)	*Kelten am Rhein: Akten des dreizehnten Internationalen Keltologiekongresses, Zweiter Teil. Philologie, Verlag Philipp von Zabern, Mainz am Rhein* Isaac, G. (2010) Celtic and Afro-Asiatic: a further note on the theory of prehistoric contact between them . In: Zimmer, Stefan eds. Kelten am Rhein: Akten des dreizehnten Internationalen Keltologiekongresses, Zweiter Teil. Philologie, Verlag Philipp von Zabern, Mainz am Rhein Bonn, , 23-JUL-10 - 27-JUL-10 , pp.95-103 [Details]
	(2009)	*Pragmatische Kategorien: Form, Funktion und Diachronie. Akten der Arbeitstagung der Indogerman-ischen Gesellschaft* Isaac, G. (2009) Die Urgeschichte der verbalen Morphosyntax im Keltischen: Eine Schnittstelle zwischen Grammatik, Semantik und Pragmatik . In: Rieken, Elisabeth; Widmer, Paul eds. Pragmatische Kategorien: Form, Funktion und Diachronie. Akten der Arbeitstagung der Indogerman-ischen Gesellschaft Marburg, , pp.113-123 [Details]
	(2007)	*The Celtic Languages in Contact: Papers from the Workshop within the Framework of the XIII International Celtic Congress, Bonn* Isaac, G. (2007) Celtic and Afro-Asiatic . In: Tristram, Hildegard eds. The Celtic Languages in Contact: Papers from the Workshop within the Framework of the XIII International Celtic Congress, Bonn Bonn, , 26-JUL-07 - 27-JUL-07 , pp.25-80 [Details]
	(2007)	*St David of Wales: Cult, Church and Nation* Isaac, G. (2007) Armes Prydain Fawr and St. David . In: Wyn Evans, J.; Wooding, Jonathan eds. St David of Wales: Cult, Church and Nation , pp.161-181 [Details]
	(2005)	*New Approaches to Celtic Place-Names. Ptolemy’s Geography* Isaac, G. (2005) Scotland . In: de Hoz, J.; Luján, E.R.; Sims-Williams, P eds. New Approaches to Celtic Place-Names. Ptolemy’s Geography Madrid, , pp.189-214 [Details]
	(2005)	*Celtic Connections: Papers from the Tenth International Congress of Celtic Studies. Archaeology Monograph* Isaac, G. (2005) Insular Celtic vs. Gallo-Brittonic: an empirical or a methodological question? . In: Gillies, W.; Harding, D.W eds. Celtic Connections: Papers from the Tenth International Congress of Celtic Studies. Archaeology Monograph University of Edinburgh, , pp.190-202 [Details]
	(2004)	*Keltologie Heute – Themen und Fragestellungen* Isaac, G. (2004) Keltiberisches und inselkeltisches Imperfekt . In: Poppe, Erich eds. Keltologie Heute – Themen und Fragestellungen , pp.47-56 [Details]
	(2003)	*Celtic Englishes III* Isaac, G. (2003) Diagnosing the symptoms of contact: some Celtic - English case-histories . In: Hildegard L.; Tristram, C eds. Celtic Englishes III Universitätsverlag Winter, Heidelberg, , pp.46-64 [Details]
	(2003)	*Yr Hen Iaith: Studies in Early Welsh* Isaac, G. (2003) The structure and typology of prepositional relative clauses in early Welsh . In: Russell, Paul eds. Yr Hen Iaith: Studies in Early Welsh Aberystwyth, , pp.75-93 [Details]
	(2002)	*Meter, Rhythm and Performance - Metrum, Rhythmus und Performanz* Isaac, G. (2002) Meter and performance in early Welsh poetry . In: Küper, Christoph eds. Meter, Rhythm and Performance - Metrum, Rhythmus und Performanz Europäischer Verlag der Wissenschaften, Frankfurt, , pp.307-322 [Details]
	(1999)	*Akten des zweiten deutschen Keltologen-Symposiums* Isaac, G. (1999) Zur frühen keltischen Metrik . In: St. Zimmer eds. Akten des zweiten deutschen Keltologen-Symposiums Tubingen, , pp.77-95 [Details]

Edited Books

	Year	Publication
	(2007)	Linguistic Terminology in Welsh: A Historical Lexicon : Welsh - English - German. Isaac, G.; Rössing, H (Ed.). (2007) Linguistic Terminology in Welsh: A Historical Lexicon : Welsh - English - German Linguistic Terminology in Welsh: A Historical Lexicon : Welsh - English - German. Münster: Nodus Publications. [Details]
	(1998)	The syntax of the sentence in Old Irish: selected studies from a descriptive, historical and comparative point of view. New edition with additional notes and an extended bibliography. Isaac, G.; Mac Coisdealbha, P (Ed.). (1998) The syntax of the sentence in Old Irish: selected studies from a descriptive, historical and comparative point of view. New edition with additional notes and an extended bibliography The syntax of the sentence in Old Irish: selected studies from a descriptive, historical and comparative point of view. New edition with additional notes and an extended bibliography. Tübingen: Max Niemeyer. [Details]

Conference Paper

	Year	Publication
	(2011)	Hanes rhaid a rheswm. colloquium in context of the British Academy funded project ‘Datblygiad yr Iaith Cymraeg’. Isaac, G. (2011) Hanes rhaid a rheswm. colloquium in context of the British Academy funded project ‘Datblygiad yr Iaith Cymraeg’. University of Bangor: Conference Paper [Details]
	(1994)	Wortstellung im Urinselkeltischen: Rekonstruktion und Typologie. Was determiniert Wortstellungsvariation? Studien zu einem Interaktionsfeld von Grammatik, Pragmatik und Sprachtypologie. Isaac, G. (1994) Wortstellung im Urinselkeltischen: Rekonstruktion und Typologie. Was determiniert Wortstellungsvariation? Studien zu einem Interaktionsfeld von Grammatik, Pragmatik und Sprachtypologie. Conference Paper [Details]

Editorship of Journals

	Year	Publication
	(2011)	Studia Celtica 45. Isaac, G. (2011) Studia Celtica 45. Editorship of Journals [Details]
	(2010)	Studia Celtica 44. Isaac, G. (2010) Studia Celtica 44. Editorship of Journals [Details]
	(2009)	Journal of Celtic Linguistics 13. Isaac, G. (2009) Journal of Celtic Linguistics 13. Editorship of Journals [Details]
	(2009)	Studia Celtica 43. Isaac, G. (2009) Studia Celtica 43. Editorship of Journals [Details]
	(2008)	Journal of Celtic Linguistics 12. Isaac, G. (2008) Journal of Celtic Linguistics 12. Editorship of Journals [Details]
	(2008)	Studia Celtica 42. Isaac, G. (2008) Studia Celtica 42. Editorship of Journals [Details]
	(2007)	Journal of Celtic Linguistics 11. Isaac, G. (2007) Journal of Celtic Linguistics 11. Editorship of Journals [Details]
	(2007)	Studia Celtica 41. Isaac, G. (2007) Studia Celtica 41. Editorship of Journals [Details]
	(2006)	Journal of Celtic Linguistics 10. Isaac, G. (2006) Journal of Celtic Linguistics 10. Editorship of Journals [Details]
	(2006)	Studia Celtica 40. Isaac, G. (2006) Studia Celtica 40. Editorship of Journals [Details]
	(2005)	Studia Celtica 39. Isaac, G. (2005) Studia Celtica 39. Editorship of Journals [Details]
	(2005)	Journal of Celtic Linguistics 9. Isaac, G. (2005) Journal of Celtic Linguistics 9. Editorship of Journals [Details]
	(2004)	Studia Celtica 38. Isaac, G. (2004) Studia Celtica 38. Editorship of Journals [Details]
	(2004)	Journal of Celtic Linguistics 8. Isaac, G. (2004) Journal of Celtic Linguistics 8. Editorship of Journals [Details]
	(2003)	Studia Celtica 37. Isaac, G. (2003) Studia Celtica 37. Editorship of Journals [Details]
	(2002)	Studia Celtica 36. Isaac, G. (2002) Studia Celtica 36. Editorship of Journals [Details]

Media

	Year	Publication
	(2004)	Place-Names in Ptolemy’s Geography. An electronic data base with etymological analysis of the Celtic name-elements, CD-ROM. Isaac, G. (2004) Place-Names in Ptolemy’s Geography. An electronic data base with etymological analysis of the Celtic name-elements, CD-ROM. Media [Details]
	(2002)	The Antonine Itinerary, Land Routes. An electronic data base with etymological analysis of the Celtic name-elements. CD-ROM. Isaac, G. (2002) The Antonine Itinerary, Land Routes. An electronic data base with etymological analysis of the Celtic name-elements. CD-ROM. Media [Details]
	(2002)	Rhyddiaith Gymraeg o Lawysgrifau’r 13eg Ganrif: Testun Cyflawn, CD-ROM . Isaac, G., Rodway, S. (2002) Rhyddiaith Gymraeg o Lawysgrifau’r 13eg Ganrif: Testun Cyflawn, CD-ROM . Media [Details]
	(2001)	Yr Hengerdd: Mynegeiriau Cyflawn, CD-ROM . Isaac, G. (2001) Yr Hengerdd: Mynegeiriau Cyflawn, CD-ROM . Media [Details]

Other Item

	Year	Publication
	(2008)	Pictish. Encyclopedia entry. Wieser Sprachenenzyklopädie Westeuropa. Isaac, G. (2008) Pictish. Encyclopedia entry. Wieser Sprachenenzyklopädie Westeuropa. Other Item [Details]

Reviews

	Year	Publication
	(2010)	Early Irish Satire, Roisin McLaughlin. Dublin, School of Celtic Studies, Dublin Institute for Advanced Studies. Journal of the Galway Archaeological and Historical Society. Isaac, G. (2010) Early Irish Satire, Roisin McLaughlin. Dublin, School of Celtic Studies, Dublin Institute for Advanced Studies. Journal of the Galway Archaeological and Historical Society. Reviews [Details]
	(2010)	Iestyn Daniel, Marged Haycock, Dafydd Johnston, Jenny Rowland (eds), Cyfoeth y Testun: Ysgrifau ar Lenyddiaeth Gymraeg yr Oesoedd Canol. Caerdydd, Gwasg Prifysgol Cymru, 2003. Peritia 21. Isaac, G. (2010) Iestyn Daniel, Marged Haycock, Dafydd Johnston, Jenny Rowland (eds), Cyfoeth y Testun: Ysgrifau ar Lenyddiaeth Gymraeg yr Oesoedd Canol. Caerdydd, Gwasg Prifysgol Cymru, 2003. Peritia 21. Reviews [Details]
	(2010)	Herbert Pilch, Die keltischen Sprachen und Literaturen. Band I. Vergleichende Grammatik der keltischen Sprachen. Band II. Die Einzelsprachen und ihre Literaturen. Zeitschrift für celtische Philologie 57. Isaac, G. (2010) Herbert Pilch, Die keltischen Sprachen und Literaturen. Band I. Vergleichende Grammatik der keltischen Sprachen. Band II. Die Einzelsprachen und ihre Literaturen. Zeitschrift für celtische Philologie 57. Heidelberg: Reviews [Details]
	(2010)	Helen Fulton (ed.), Medieval celtic Literature and Society. Dublin, Four Courts Press, 2005. Peritia 21. Isaac, G. (2010) Helen Fulton (ed.), Medieval celtic Literature and Society. Dublin, Four Courts Press, 2005. Peritia 21. Reviews [Details]
	(2010)	The Celtic Question: Modern Constructs and Ancient Realities, Kim McCone. Dublin, School of Celtic Studies, Dublin Institute for Advanced Studies. Journal of the Galway Archaeological and Historical Society. Isaac, G. (2010) The Celtic Question: Modern Constructs and Ancient Realities, Kim McCone. Dublin, School of Celtic Studies, Dublin Institute for Advanced Studies. Journal of the Galway Archaeological and Historical Society. Reviews [Details]
	(2010)	Joseph P. Clancy, Medieval Welsh Poems. Dublin, Four Courts Press, 2003. Gwyn Thomas, Dafydd ap Gwilym: His Poems. Cardiff, University of Wales Press, 2001. Barry Lewis, Welsh Poetry and English Pilgrimage: Gruffudd ap MAredudd and the Rood of Chester. Aberystwyth, University of Wales Centre for Advanced Welsh and Celtic Studies, 2005. Peritia 21. Isaac, G. (2010) Joseph P. Clancy, Medieval Welsh Poems. Dublin, Four Courts Press, 2003. Gwyn Thomas, Dafydd ap Gwilym: His Poems. Cardiff, University of Wales Press, 2001. Barry Lewis, Welsh Poetry and English Pilgrimage: Gruffudd ap MAredudd and the Rood of Chester. Aberystwyth, University of Wales Centre for Advanced Welsh and Celtic Studies, 2005. Peritia 21. Reviews [Details]
	(2009)	John T. Koch (ed.), Celtic Culture, A Historical Encyclopedia. Santa Barbara, Denver, Oxford, ABC-CLIO, 2006. . Studia Celtica. Isaac, G. (2009) John T. Koch (ed.), Celtic Culture, A Historical Encyclopedia. Santa Barbara, Denver, Oxford, ABC-CLIO, 2006. . Studia Celtica. Reviews [Details]
	(2008)	Cyfres Beirdd yr Uchelwyr, series ed., Aberystwyth, University of Wales Centre for Advanced Welsh and Celtic Studies, 2002, 2003, 2003, 2004, 2006. . Cambrian Medieval Celtic Studies. Isaac, G. (2008) Cyfres Beirdd yr Uchelwyr, series ed., Aberystwyth, University of Wales Centre for Advanced Welsh and Celtic Studies, 2002, 2003, 2003, 2004, 2006. . Cambrian Medieval Celtic Studies. Reviews [Details]
	(2008)	Review of Francisco Villar, Blanca M. Prósper, Vascos, Celtas e Indoeuropeos: genes y Lenguas, Salamanca, Ediciones Universidad Salamanca, 2005. Zeitschrift für celtische Philologie. Isaac, G. (2008) Review of Francisco Villar, Blanca M. Prósper, Vascos, Celtas e Indoeuropeos: genes y Lenguas, Salamanca, Ediciones Universidad Salamanca, 2005. Zeitschrift für celtische Philologie. Reviews [Details]
	(2008)	Review of National Library of Wales Journal 32.3-4, 33.1. Zeitschrift für celtische Philologie. Isaac, G. (2008) Review of National Library of Wales Journal 32.3-4, 33.1. Zeitschrift für celtische Philologie. Reviews [Details]
	(2008)	The Poets of the Nobility Series. Isaac, G. (2008) The Poets of the Nobility Series. Reviews [Details]
	(2008)	Review of Raimund Karl, Altkeltische Sozialstrukturen. Budapest, Archaeolingua, 2006. . Kratylos. Isaac, G. (2008) Review of Raimund Karl, Altkeltische Sozialstrukturen. Budapest, Archaeolingua, 2006. . Kratylos. Reviews [Details]
	(2007)	Review of National Library of Wales Journal 32.2 . Zeitschrift für celtische Philologie. Isaac, G. (2007) Review of National Library of Wales Journal 32.2 . Zeitschrift für celtische Philologie. Reviews [Details]
	(2006)	Review of Stefan Zimmer (ed.), Die Kelten: Mythos und Wirklichkeit, Stuttgart, Konrad Theiss Verlag, 2004. Cambrian Medieval Celtic Studies. Isaac, G. (2006) Review of Stefan Zimmer (ed.), Die Kelten: Mythos und Wirklichkeit, Stuttgart, Konrad Theiss Verlag, 2004. Cambrian Medieval Celtic Studies. Reviews [Details]
	(2006)	Review of Ceri Davies (ed.), Dr John Davies of Mallwyd: Welsh Renaissance Scholar, Cardiff, University of Wales Press, 2004. Journal of Celtic Linguistics. Isaac, G. (2006) Review of Ceri Davies (ed.), Dr John Davies of Mallwyd: Welsh Renaissance Scholar, Cardiff, University of Wales Press, 2004. Journal of Celtic Linguistics. Reviews [Details]
	(2006)	Review of Paul Widmer, Das Korn des weiten Feldes: interne Derivation, Derivationskette und Flexionsklassenhierarchie: Aspekte der nominalen Wortbildung im Urindogermanischen, Innsbruck, Innsbrucker Beiträge zur Sprachwissenschaft, 2004 . Journal of Celtic Linguistics. Isaac, G. (2006) Review of Paul Widmer, Das Korn des weiten Feldes: interne Derivation, Derivationskette und Flexionsklassenhierarchie: Aspekte der nominalen Wortbildung im Urindogermanischen, Innsbruck, Innsbrucker Beiträge zur Sprachwissenschaft, 2004 . Journal of Celtic Linguistics. Reviews [Details]
	(2006)	Review of Dónall Ó Riagáin, Thomas Stolz (eds), Purism: Second Helping: Papers from the Conference of ‘Purism in the Age of Globalisation’, Bremen, September 2001, Bochum, Brockmeyer, 2004. Journal of Celtic Linguistics. Isaac, G. (2006) Review of Dónall Ó Riagáin, Thomas Stolz (eds), Purism: Second Helping: Papers from the Conference of ‘Purism in the Age of Globalisation’, Bremen, September 2001, Bochum, Brockmeyer, 2004. Journal of Celtic Linguistics. Reviews [Details]
	(2006)	Review of Jürg Rainer Schwyter, Erich Poppe, Sandrine Onillon (eds), Le slipping dans les languages médiévales, Lausanne, Université de Lausanne, 2005. Journal of Celtic Linguistics. Isaac, G. (2006) Review of Jürg Rainer Schwyter, Erich Poppe, Sandrine Onillon (eds), Le slipping dans les languages médiévales, Lausanne, Université de Lausanne, 2005. Journal of Celtic Linguistics. Reviews [Details]
	(2006)	Review of Stefan Schumacher, Die keltischen Primärverben: Ein vergleichendes, etymologisches und morphologisches Lexikon, Innsbruck, Innsbrucker Beiträge zur Sprachwissenschaft, 2004 . Studia Celtica. Isaac, G. (2006) Review of Stefan Schumacher, Die keltischen Primärverben: Ein vergleichendes, etymologisches und morphologisches Lexikon, Innsbruck, Innsbrucker Beiträge zur Sprachwissenschaft, 2004 . Studia Celtica. Reviews [Details]
	(2005)	Review of Britta Schulze-Thulin, Studien zu den urindogermanischen o-stufigen Kausativa-Iterativa und Nasalpräsentien im Kymrischen (Innsbruck: Innsbrucker Beiträge zur Sprachwissenschaft, 2001) . Studia Celtica. Isaac, G. (2005) Review of Britta Schulze-Thulin, Studien zu den urindogermanischen o-stufigen Kausativa-Iterativa und Nasalpräsentien im Kymrischen (Innsbruck: Innsbrucker Beiträge zur Sprachwissenschaft, 2001) . Studia Celtica. Reviews [Details]
	(2005)	Review of Stéphane Gendron, Les Noms des Lieux en France. Essai de toponymie, Paris, Éditions Errance, 2003. Journal of Celtic Linguistics. Isaac, G. (2005) Review of Stéphane Gendron, Les Noms des Lieux en France. Essai de toponymie, Paris, Éditions Errance, 2003. Journal of Celtic Linguistics. Reviews [Details]
	(2004)	Review of National Library of Wales Journal 32.1. 54, 330-2. Zeitschrift für celtische Philologie. Isaac, G. (2004) Review of National Library of Wales Journal 32.1. 54, 330-2. Zeitschrift für celtische Philologie. Reviews [Details]
	(2004)	Review of Pierre-Yves Lambert, Recueil des Inscriptions Gauloises (R.I.G.) Volume II, Fascicule 2. Textes Gallo-Latins sur instrumentum. XLVe Supplément à Gallia (Paris: CNRS Éditions, 2002). Studia Celtica. Isaac, G. (2004) Review of Pierre-Yves Lambert, Recueil des Inscriptions Gauloises (R.I.G.) Volume II, Fascicule 2. Textes Gallo-Latins sur instrumentum. XLVe Supplément à Gallia (Paris: CNRS Éditions, 2002). Studia Celtica. Reviews [Details]
	(2004)	Review of National Library of Wales Journal 31.3-4. Zeitschrift für celtische Philologie. Isaac, G. (2004) Review of National Library of Wales Journal 31.3-4. Zeitschrift für celtische Philologie. Reviews [Details]
	(2004)	Review of R. Iestyn Daniel (ed.), Gwaith Dafydd y Coed a Beirdd Eraill o Lyfr Coch Hergest (Aberystwyth: Canolfan Uwchefrydiau Cymreig a Cheltaidd Prifysgol Cymru, 2002). Studia Celtica. Isaac, G. (2004) Review of R. Iestyn Daniel (ed.), Gwaith Dafydd y Coed a Beirdd Eraill o Lyfr Coch Hergest (Aberystwyth: Canolfan Uwchefrydiau Cymreig a Cheltaidd Prifysgol Cymru, 2002). Studia Celtica. Reviews [Details]
	(2004)	Review of Iwan Wmffre, Language and Place-Names in Wales. The Evidence of Toponymy in Cardiganshire, Cardiff, University of Wales Press, 2003. . Journal of Celtic Linguistics. Isaac, G. (2004) Review of Iwan Wmffre, Language and Place-Names in Wales. The Evidence of Toponymy in Cardiganshire, Cardiff, University of Wales Press, 2003. . Journal of Celtic Linguistics. Reviews [Details]
	(2004)	Review of Bernhard Maier, Stefan Zimmer (eds) (2001), 150 Jahre “Mabinogion” - deutsch-walisische Kulturbeziehungen, Tübingen, Max Niemeyer Verlag. Zeitschrift für celtische Philologie. Isaac, G. (2004) Review of Bernhard Maier, Stefan Zimmer (eds) (2001), 150 Jahre “Mabinogion” - deutsch-walisische Kulturbeziehungen, Tübingen, Max Niemeyer Verlag. Zeitschrift für celtische Philologie. Reviews [Details]
	(2004)	Review of R. Geraint Gruffydd, ‘Edmyg Dinbych’. Cerdd Lys Gynnar o Ddyfed (Darlith Goffa J. E. Caerwyn Williams a Gwen Williams 2001) (Aberystwyth: Canolfan Uwchefrydiau Cymreig a Cheltaidd Prifysgol Cymru, 2002) . Studia Celtica. Isaac, G. (2004) Review of R. Geraint Gruffydd, ‘Edmyg Dinbych’. Cerdd Lys Gynnar o Ddyfed (Darlith Goffa J. E. Caerwyn Williams a Gwen Williams 2001) (Aberystwyth: Canolfan Uwchefrydiau Cymreig a Cheltaidd Prifysgol Cymru, 2002) . Studia Celtica. Reviews [Details]
	(2004)	Review of Rhiannon Ifans (2000), Gwaith Gruffudd Llwyd a’r Llygliwiaid Eraill, Aberystwyth, Canolfan Uwchefrydiau Cymreig a Cheltaidd. Zeitschrift für celtische Philologie. Isaac, G. (2004) Review of Rhiannon Ifans (2000), Gwaith Gruffudd Llwyd a’r Llygliwiaid Eraill, Aberystwyth, Canolfan Uwchefrydiau Cymreig a Cheltaidd. Zeitschrift für celtische Philologie. Reviews [Details]
	(2003)	Review of Peter Busse, Cynddelw Brydydd Mawr - Archaismus und Innovation, Münster, Nodus Publications, 2002. Studi Celtici. Isaac, G. (2003) Review of Peter Busse, Cynddelw Brydydd Mawr - Archaismus und Innovation, Münster, Nodus Publications, 2002. Studi Celtici. Reviews [Details]
	(2003)	Review of National Library of Wales Journal 31.1-2. Zeitschrift für celtische Philologie. Isaac, G. (2003) Review of National Library of Wales Journal 31.1-2. Zeitschrift für celtische Philologie. Reviews [Details]
	(2002)	Review of Ian Hughes (2000), Math Uab Mathonwy, Aberystwyth, Prifysgol Cymru Aberystwyth. Studi Celtici. Isaac, G. (2002) Review of Ian Hughes (2000), Math Uab Mathonwy, Aberystwyth, Prifysgol Cymru Aberystwyth. Studi Celtici. Reviews [Details]
	(2002)	Review of David Willis (1998), Syntactic Change in Welsh: a Study of the Loss of Verb-Second. Oxford: Oxford University Press . Kratylos. Isaac, G. (2002) Review of David Willis (1998), Syntactic Change in Welsh: a Study of the Loss of Verb-Second. Oxford: Oxford University Press . Kratylos. Reviews [Details]
	(2001)	Review of National Library of Wales Journal 30.1-2. Zeitschrift für celtische Philologie. Isaac, G. (2001) Review of National Library of Wales Journal 30.1-2. Zeitschrift für celtische Philologie. Reviews [Details]
	(2001)	Review of Stefan Zimmer (2000), Studies in Welsh Word-Formation. Dublin: Dublin Insitute of Advanced Studies. Cambrian Medieval Celtic Studies. Isaac, G. (2001) Review of Stefan Zimmer (2000), Studies in Welsh Word-Formation. Dublin: Dublin Insitute of Advanced Studies. Cambrian Medieval Celtic Studies. Reviews [Details]
	(2001)	Review of National Library of Wales Journal 30.3-4. Zeitschrift für celtische Philologie. Isaac, G. (2001) Review of National Library of Wales Journal 30.3-4. Zeitschrift für celtische Philologie. Reviews [Details]
	(2001)	Review of A. O. H. Jarman / Gwilym Rees Hughes, A Guide to Welsh Literature, Volume 2. Revised edition by Dafydd Johnston. Cardiff (1997). Zeitschrift für celtische Philologie. Falileyev, A. (2001) Review of A. O. H. Jarman / Gwilym Rees Hughes, A Guide to Welsh Literature, Volume 2. Revised edition by Dafydd Johnston. Cardiff (1997). Zeitschrift für celtische Philologie. Reviews [Details]
	(2000)	Review of R. Iestyn Daniel (1999), Gwaith Casnodyn. Aberystwyth: Centre of Advanced Welsh and Celtic Studies. 34, 286. Studia Celtica. Isaac, G. (2000) Review of R. Iestyn Daniel (1999), Gwaith Casnodyn. Aberystwyth: Centre of Advanced Welsh and Celtic Studies. 34, 286. Studia Celtica. Reviews [Details]

Workshops

	Year	Publication
	(2008)	Problems understanding Middle Welsh texts. Colloquium in context of the British Academy funded project 'Datblygiad yr Iaith Cymraeg'. Isaac, G. (2008) Problems understanding Middle Welsh texts. Colloquium in context of the British Academy funded project 'Datblygiad yr Iaith Cymraeg'. British Academy, London: Workshops [Details]
	(2008)	The oldest recorded names in Ireland: Ptolemy's Iouernia : Early Places and Peoples: Place-Names in Texts and Contexts . The First International Conference on the Early Medieval Toponymy of Ireland and Scotland, School of Languages, Literatures and Performing Arts. Isaac, G. (2008) The oldest recorded names in Ireland: Ptolemy's Iouernia : Early Places and Peoples: Place-Names in Texts and Contexts . The First International Conference on the Early Medieval Toponymy of Ireland and Scotland, School of Languages, Literatures and Performing Arts. Queen's University, Belfast: Workshops [Details]
	(2008)	Die mittelalterliche walisische Metrik. Institut für Anglistik, Amerikanistik und Keltologie, Abteilung Vergleichende Indogermanische Sprachwissenschaft, Bonn. Isaac, G. (2008) Die mittelalterliche walisische Metrik. Institut für Anglistik, Amerikanistik und Keltologie, Abteilung Vergleichende Indogermanische Sprachwissenschaft, Bonn. Workshops [Details]
	(2008)	Funktion und Urgeschichte der Verbalflexion im Keltischen: Eine Schnittstelle zwischen Grammatik, Semantik und Pragmatik. Institut für Anglistik, Amerikanistik und Keltologie, Abteilung Vergleichende Indogermanische Sprachwissenschaft, Bonn, Sprachwissenschaftliches Colloquium. (Extended version of 2007, 'Die Urgeschichte ...', Marburg.). Isaac, G. (2008) Funktion und Urgeschichte der Verbalflexion im Keltischen: Eine Schnittstelle zwischen Grammatik, Semantik und Pragmatik. Institut für Anglistik, Amerikanistik und Keltologie, Abteilung Vergleichende Indogermanische Sprachwissenschaft, Bonn, Sprachwissenschaftliches Colloquium. (Extended version of 2007, 'Die Urgeschichte ...', Marburg.). Workshops [Details]
	(2008)	Bemerkungen zur Sprache der altwalisischen Hengerdd-Dichtung. Institut für Anglistik, Amerikanistik und Keltologie, Abteilung Vergleichende Indogermanische Sprachwissenschaft, Bonn. Isaac, G. (2008) Bemerkungen zur Sprache der altwalisischen Hengerdd-Dichtung. Institut für Anglistik, Amerikanistik und Keltologie, Abteilung Vergleichende Indogermanische Sprachwissenschaft, Bonn. Workshops [Details]
	(2008)	The origins of the Celtic languages: language spread from East to West. Celticization from the West. Isaac, G. (2008) The origins of the Celtic languages: language spread from East to West. Celticization from the West. Centre for Advanced Welsh and Celtic Studies, Aberystwyth: Workshops [Details]
	(2008)	The wave mechanics of early Welsh verse . Tionól. Isaac, G. (2008) The wave mechanics of early Welsh verse . Tionól. School of Celtic Studies, Dublin Institute for Advanced Studies: Workshops [Details]
	(2007)	The relative chronology of sound changes from Proto-Indo-European to Common Celtic. Tionól. Isaac, G. (2007) The relative chronology of sound changes from Proto-Indo-European to Common Celtic. Tionól. School of Celtic Studies, Dublin Institute for Advanced Studies: Workshops [Details]
	(2007)	The rule of palatalisation in Proto-Irish. 21st Irish Conference of Medievalists. Isaac, G. (2007) The rule of palatalisation in Proto-Irish. 21st Irish Conference of Medievalists. Mary Immaculate College, Limerick: Workshops [Details]
	(2006)	The name of Ireland in Welsh and Irish. Tionól. Isaac, G. (2006) The name of Ireland in Welsh and Irish. Tionól. School of Celtic Studies, Dublin Institute for Advanced Studies: Workshops [Details]
	(2005)	Strachan's work on medieval Welsh. Colloquium on the Life and Work of John Strachan. Isaac, G. (2005) Strachan's work on medieval Welsh. Colloquium on the Life and Work of John Strachan. University of Aberdeen: Workshops [Details]
	(2005)	One step forward and two steps back: the interpretation of the 'Pictish' inscriptions. 19th Irish Conference of Medievalists. Isaac, G. (2005) One step forward and two steps back: the interpretation of the 'Pictish' inscriptions. 19th Irish Conference of Medievalists. St. Kieran's College, Kilkenny: Workshops [Details]
	(2005)	Torann a dheireadh' sa Bhreatain Bheag freisin! Eascaiteolaíocht as traidisiún na Breatnaise. Comhdháil Litríocht agus Cultúr na Gaeilge. Isaac, G. (2005) Torann a dheireadh' sa Bhreatain Bheag freisin! Eascaiteolaíocht as traidisiún na Breatnaise. Comhdháil Litríocht agus Cultúr na Gaeilge. National University of Ireland, Galway: Workshops [Details]
	(2004)	Text and pretext: thoughts on editing the Gododdin. Keynote Lecture, Celtic Studies Association of North America Annual Meeting. Isaac, G. (2004) Text and pretext: thoughts on editing the Gododdin. Keynote Lecture, Celtic Studies Association of North America Annual Meeting. University of Toronto: Workshops [Details]
	(2004)	Cormac's Pictish brooch: a linguistic commentary. 18th Irish Conference of Medievalists. Isaac, G. (2004) Cormac's Pictish brooch: a linguistic commentary. 18th Irish Conference of Medievalists. St. Kieran's College, Kilkenny: Workshops [Details]
	(2004)	The nature and origins of the Celtic languages: Atlantic seaways, Italo-Celtic and other paralinguistic misapprehensions. Departmental Lecture Series (held at St. John's College), Department of Anglo-Saxon, Norse and Celtic, University of Cambridge. Isaac, G. (2004) The nature and origins of the Celtic languages: Atlantic seaways, Italo-Celtic and other paralinguistic misapprehensions. Departmental Lecture Series (held at St. John's College), Department of Anglo-Saxon, Norse and Celtic, University of Cambridge. Workshops [Details]
	(2003)	The river-names of Britain recorded by Ptolemy. Conference of the Society for Name Studies in Britain and Ireland. Isaac, G. (2003) The river-names of Britain recorded by Ptolemy. Conference of the Society for Name Studies in Britain and Ireland. University of Nottingham: Workshops [Details]
	(2003)	Some observations on the linguistic geography of ancient and medieval Scotland. Conference of the Early Medieval Europe Research Group (EMERGE). Isaac, G. (2003) Some observations on the linguistic geography of ancient and medieval Scotland. Conference of the Early Medieval Europe Research Group (EMERGE). University of St. Andrews: Workshops [Details]
	(2003)	The nature and origins of the Celtic languages: Atlantic seaways, Italo-Celtic and other paralinguistic misapprehensions. 12th International Congress of Celtic Studies. Isaac, G. (2003) The nature and origins of the Celtic languages: Atlantic seaways, Italo-Celtic and other paralinguistic misapprehensions. 12th International Congress of Celtic Studies. University of Wales, Aberystwyth: Workshops [Details]
	(2002)	The early Welsh future tense: form and function of a moribund morphological category. 16th Irish Conference of Medievalists. Isaac, G. (2002) The early Welsh future tense: form and function of a moribund morphological category. 16th Irish Conference of Medievalists. National University of Ireland, Maynooth: Workshops [Details]
	(2002)	Die keltiberischen alphabetischen Zeichen Sigma und San und der Ablativ Singular. Fachgebiet Vergleichende Sprachwissenschaft. Isaac, G. (2002) Die keltiberischen alphabetischen Zeichen Sigma und San und der Ablativ Singular. Fachgebiet Vergleichende Sprachwissenschaft. Philipps-Universität Marburg: Workshops [Details]
	(2002)	The ancient local names of Scotland. Tercer Coloquio Internacional de Tolomeo: hacia un atlas lingüístico de los topónimos celtas antiguos de Europa. Isaac, G. (2002) The ancient local names of Scotland. Tercer Coloquio Internacional de Tolomeo: hacia un atlas lingüístico de los topónimos celtas antiguos de Europa. Universidad Complutense de Madrid: Workshops [Details]
	(2002)	Darllen Celtibereg: ystyriaethau newydd ar ramadeg hen iaith Geltaidd Sbaen. Centre for Advanced Welsh and Celtic Studies. Isaac, G. (2002) Darllen Celtibereg: ystyriaethau newydd ar ramadeg hen iaith Geltaidd Sbaen. Centre for Advanced Welsh and Celtic Studies. Aberystwyth: Workshops [Details]
	(2002)	Meaning and structure, composition and representation: readings from a Welsh construction. Rethinking Language and Mind, 35th Meeting of the Societas Linguistica Europaea. Isaac, G. (2002) Meaning and structure, composition and representation: readings from a Welsh construction. Rethinking Language and Mind, 35th Meeting of the Societas Linguistica Europaea. Universität Potsdam: Workshops [Details]
	(2001)	Armes Prydein and ethnic perceptions in tenth-century Wales. 15th Irish Conference of Medievalists. Isaac, G. (2001) Armes Prydein and ethnic perceptions in tenth-century Wales. 15th Irish Conference of Medievalists. National University of Ireland, Maynooth: Workshops [Details]
	(2001)	Gwarchan Maeldderw: a 'lost' medieval Welsh classic?. Departmental Lecture Series (held at St. John's College), Department of Anglo-Saxon, Norse and Celtic, University of Cambridge. Isaac, G. (2001) Gwarchan Maeldderw: a 'lost' medieval Welsh classic?. Departmental Lecture Series (held at St. John's College), Department of Anglo-Saxon, Norse and Celtic, University of Cambridge. Workshops [Details]
	(2000)	Y Gymraeg fel Iaith ddynol. Research Seminar. Isaac, G. (2000) Y Gymraeg fel Iaith ddynol. Research Seminar. University of Wales Aberystwyth, Department of Welsh: Workshops [Details]
	(2000)	Gwarchan Maeldderw: clasur 'coll' yr oesoedd canol? . Post-Graduate Seminar. Isaac, G. (2000) Gwarchan Maeldderw: clasur 'coll' yr oesoedd canol? . Post-Graduate Seminar. University of Wales Aberystwyth, Department of Welsh: Workshops [Details]
	(2000)	Gwladgarwyr ac ysgolheigion: safle'r Hengerdd. Conference on Wales and the Welsh 2000. Isaac, G. (2000) Gwladgarwyr ac ysgolheigion: safle'r Hengerdd. Conference on Wales and the Welsh 2000. University of Wales Aberystwyth: Workshops [Details]
	(2000)	Beth yw'r Gwarchanau? . Isaac, G. (2000) Beth yw'r Gwarchanau? . University of Wales Aberystwyth: Workshops [Details]
	(2000)	Particles and infixes: further to absolute and conjunct once again. 14th Irish Conference of Medievalists. Isaac, G. (2000) Particles and infixes: further to absolute and conjunct once again. 14th Irish Conference of Medievalists. National University of Ireland, Maynooth: Workshops [Details]
	(1999)	Myrddin, prophet of Doomsday: the early stages of the Merlin legend revisited. 11th International Congress of Celtic Studies. Isaac, G. (1999) Myrddin, prophet of Doomsday: the early stages of the Merlin legend revisited. 11th International Congress of Celtic Studies. University College, Cork: Workshops [Details]
	(1999)	Grammaticalisation of aspect in Welsh: the case of non-finite clauses. International Symposium on Grammaticalisation. Isaac, G. (1999) Grammaticalisation of aspect in Welsh: the case of non-finite clauses. International Symposium on Grammaticalisation. Universität Potsdam: Workshops [Details]
	(1999)	Neues zur keltiberischen Grammatik. Institut für Vergleichende und Indogermanische Sprachwissenschaft. Isaac, G. (1999) Neues zur keltiberischen Grammatik. Institut für Vergleichende und Indogermanische Sprachwissenschaft. Universität Berlin: Workshops [Details]
	(1999)	Zum keltischen und indogermanischen Imperfekt. Institut für Vergleichende und Indogermanische Sprachwissenschaft. Isaac, G. (1999) Zum keltischen und indogermanischen Imperfekt. Institut für Vergleichende und Indogermanische Sprachwissenschaft. Universität Berlin: Workshops [Details]
	(1998)	Wege der Kelten - Wege der Keltologie. Kulturwissenschaftliche Betrachtungen zur Funktion einer Geisteswissenschaft. Isaac, G. (1998) Wege der Kelten - Wege der Keltologie. Kulturwissenschaftliche Betrachtungen zur Funktion einer Geisteswissenschaft. Humboldt-Universität zu Berlin: Workshops [Details]
	(1998)	What is syntax? . Gastvortrag im Rahmen des Kurses 'Einführung in die Sprachwissenschaft', Englisches Seminar. Isaac, G. (1998) What is syntax? . Gastvortrag im Rahmen des Kurses 'Einführung in die Sprachwissenschaft', Englisches Seminar. Bonn: Workshops [Details]
	(1998)	Prospects in Old Irish syntax. 12th Irish Conference of Medievalists. Isaac, G. (1998) Prospects in Old Irish syntax. 12th Irish Conference of Medievalists. National University of Ireland, Maynooth: Workshops [Details]
	(1998)	Mesur oed ac amser iaith. Isaac, G. (1998) Mesur oed ac amser iaith. University of Wales, Aberystwyth: Workshops [Details]
	(1997)	Zur Typologie der keltischen Sprachen. Seminar für Englische Philologie. Isaac, G. (1997) Zur Typologie der keltischen Sprachen. Seminar für Englische Philologie. Freie Universität Berlin: Workshops [Details]
	(1997)	The function and typology of absolute and conjunct flexion in early Celtic: some hints from Ancient Egyptian. 11th Irish Conference of Medievalists. Isaac, G. (1997) The function and typology of absolute and conjunct flexion in early Celtic: some hints from Ancient Egyptian. 11th Irish Conference of Medievalists. National University of Ireland, Maynooth: Workshops [Details]
	(1997)	Einführung in die Keltologie für Indogermanisten. Blockseminar, Institut für Vergleichende und Indogermanische Sprachwissenschaft. Isaac, G. (1997) Einführung in die Keltologie für Indogermanisten. Blockseminar, Institut für Vergleichende und Indogermanische Sprachwissenschaft. Freie Universität Berlin: Workshops [Details]
	(1996)	New readings in the Gododdin. Jesus College. Isaac, G. (1996) New readings in the Gododdin. Jesus College. Oxford: Workshops [Details]
	(1996)	Der Vers Libre im Kymrischen. Englisches Seminar. Isaac, G. (1996) Der Vers Libre im Kymrischen. Englisches Seminar. Albert-Ludwigs-Universität Freiburg: Workshops [Details]
	(1995)	Syntaxrekonstruktion: was ist das? Methodologische Überlegungen am Beispiel des Keltischen. Sprachwissenschaftliches Colloquium. Isaac, G. (1995) Syntaxrekonstruktion: was ist das? Methodologische Überlegungen am Beispiel des Keltischen. Sprachwissenschaftliches Colloquium. Sprachwissenschaftliches Institut, Bonn: Workshops [Details]
	(1995)	Perfektivität, Transitivität, Ergativität: Zur Typologie des Kasus im kymrischen nichtfiniten Satz. Bonn, Freitagskreis, Sprachwissenschaftliches Institut. Isaac, G. (1995) Perfektivität, Transitivität, Ergativität: Zur Typologie des Kasus im kymrischen nichtfiniten Satz. Bonn, Freitagskreis, Sprachwissenschaftliches Institut. Workshops [Details]
	(1995)	Insular Celtic vs. Gallo-Brittonic: an empirical or a methodological question? . 10th International Congress of Celtic Studies. Isaac, G. (1995) Insular Celtic vs. Gallo-Brittonic: an empirical or a methodological question? . 10th International Congress of Celtic Studies. University of Edinburgh: Workshops [Details]
	(1994)	Fokus und Topikalisierung: eine kurze Geschichte der kymrischen Wortstellungsprag-matik. Forschungsschwerpunkt Allgemeine Sprachwissenschaft, Typologie und Universalienforschung. Isaac, G. (1994) Fokus und Topikalisierung: eine kurze Geschichte der kymrischen Wortstellungsprag-matik. Forschungsschwerpunkt Allgemeine Sprachwissenschaft, Typologie und Universalienforschung. Berlin: Workshops [Details]
	(1994)	Canu Aneirin Z. 872: rac cant ef gwant gesseuin: eine Analyse. Sprachwissenschaftliches Colloquium. Isaac, G. (1994) Canu Aneirin Z. 872: rac cant ef gwant gesseuin: eine Analyse. Sprachwissenschaftliches Colloquium. Sprachwissenschaftliches Institut der Universität Bonn: Workshops [Details]
	(1994)	Ist das Unnormale normal? Zur Informationsstruktur in der mittelkymrischen Prosa . Sprachwissenschaft-liches Colloquium. Isaac, G. (1994) Ist das Unnormale normal? Zur Informationsstruktur in der mittelkymrischen Prosa . Sprachwissenschaft-liches Colloquium. Sprachwissenschaftliches Institut der Universität Bonn: Workshops [Details]
	(1994)	Nochmals zur mittelkymrischen Worstellung. Sprachwissenschaftliches Colloquium. Isaac, G. (1994) Nochmals zur mittelkymrischen Worstellung. Sprachwissenschaftliches Colloquium. Sprachwissenschaftliches Institut, Bonn: Workshops [Details]
	(1992)	Linguistic difficulties in the development of Insular Celtic syntax. 25th Annual Meeting of Societas Linguistica Europaea. Isaac, G. (1992) Linguistic difficulties in the development of Insular Celtic syntax. 25th Annual Meeting of Societas Linguistica Europaea. University College, Galway: Workshops [Details]
	(1991)	An early Welsh metrical feature. Neuvième Congrès International d'Études Celtiques. Isaac, G. (1991) An early Welsh metrical feature. Neuvième Congrès International d'Études Celtiques. Sorbonne, Paris: Workshops [Details]