Previous Congresses

1959 DUBLIN
Proceedings of the First International Congress of Celtic Studies, edited by Brian Ó Cuív (Dublin 1962).

1963 CARDIFF
Proceedings of the Second International Congress of Celtic Studies held in Cardiff 6–13 July, 1963 (Cardiff 1966).

1967 EDINBURGH
Proceedings of the Third International Congress of Celtic Studies. Edinburgh 23–29 July, 1967, edited by W.F.H. Nicolaisen (Edinburgh 1968).

1971 RENNES
Actes du quatrième congrès international d’études celtiques (Rennes 18–25 juillet 1971), edited in Études Celtiques, volume 13 (1972–3).

1975 PENZANCE
3–13 April.

1979 GALWAY
Proceedings of the Sixth International Congress of Celtic Studies held in University College, Galway, 6–13 July 1979, edited by G. Mac Eoin, A. Ahlqvist and D. Ó hAodha (Dublin 1983).

1983 OXFORD
Proceedings of the Seventh International Congress of Celtic Studies held at Oxford, from 10th to 15th July, 1983, edited by D. Ellis Evans, John G. Griffith and E.M. Jope (Oxford 1986).

1987 SWANSEA
The Celts and the Renaissance: Tradition and Innovation. Proceedings of the Eighth International Congress of Celtic Studies 1987 held at Swansea, 19–24 July, 1987, edited by Glanmor Williams and Robert Owen Jones (Cardiff 1990).

1991 PARIS
Actes du IXe Congrès international d’études celtiques. Paris 8–12 juillet 1991. Première partie: Les Celtes au IIIe siècle avant J.-C. Deuxième partie: Linguistique, Littératures, edited in Études Celtiques, volumes 28 (1991) and 29 (1992).

1995 EDINBURGH
Celtic Connections. Proceedings of the Tenth International Congress of Celtic Studies. Volume One: Language, Literature, History, Culture, edited by Ronald Black, William Gillies and Roibeard Ó Maolalaigh (East Linton 1999). Celtic Connections. Papers from the Tenth International Congress of Celtic Studies, Edinburgh 1995. Volume Two: Archaeology, Numismatics, Historical Linguistics, edited by W. Gillies and D.W. Harding (Edinburgh 2005).

1999 CORK
Retrospect and Prospect in Celtic Studies. Proceedings of the 11th International Congress of Celtic Studies held in University College, Cork, 25–31 July 1999, edited by Máire Herbert and Kevin Murray (Dublin 2003).

2003 ABERYSTWYTH
Crossing Boundaries Croesi Ffiniau. Trafodion y XIIfed Gyngres Astudiaethau Celtaidd Ryngwladol 24–30 Awst 2003, Prifysgol Cymru, Aberystwyth. Proceedings of the XIIth International Congress of Celtic Studies 24–30 August 2003, University of Wales, Aberystwyth, edited by Patrick Sims-Williams & Gruffydd Aled Williams in Cambrian Medieval Celtic Studies 53/54 (2007).

2007 BONN
Stefan Zimmer (ed.), Kelten am Rhein: Akten des dreizehnten Internationalen Keltologiekongresses; Proceedings of the 13th International Congress of Celtic Studies, held July 2007, in Bonn. 1: Archaeologie, Ethnizität und Romanisierung. 2: Philologie, Sprachen und Literaturen (Mainz 2009). 

2011 MAYNOOTH