| A quelle époque a-t-on cessé de parler latin en Gaule? A propos d'une question mal posée | Richter, Michael, 1943-2011 | Article in Book | Four Courts Press | 1995 |
| A socio-linguistic approach to the Latin Middle Ages | Richter, Michael, 1943-2011 | Article in Book | Four Courts Press | 1995 |
| Áes Dána | Richter, Michael, 1943-2011 | Article in Book | | 2006 |
| Bobbio in the early middle ages : the abiding legacy of Columbanus | Richter, Michael, 1943-2011 | Monograph or Collective Volume | Four Courts | 2008 |
| Dating the Irish synods in the Collectio canonum hibernensis | Richter, Michael, 1943-2011 | Article in Journal | | 2000 |
| Der irische Hintergrund der angelsächsischen Mission | Richter, Michael, 1943-2011 | Article in Book | | 1982 |
| Die Kelten im Mittelalter | Richter, Michael, 1943-2011 | Article in Journal | | 1988 |
| Die Sprachenpolitik Karls des Grossen | Richter, Michael, 1943-2011 | Article in Book | Four Courts Press | 1995 |
| Gilbert of Limerick revisited | Richter, Michael, 1943-2011 | Article in Book | | 2000 |
| Giraldiana | Richter, Michael, 1943-2011 | Article in Journal | | 1979 |
| Giraldus Cambrensis : the growth of the Welsh nation. | Richter, Michael, 1943-2011 | Monograph or Collective Volume | NA | 1976 |
| Iona and Reichenau in the ninth century | Richter, Michael, 1943-2011 | Article in Book | | 2010 |
| Ireland and Christendom : the bible and the missions | | Monograph or Collective Volume | | 1987 |
| Ireland and Europe in the early Middle Ages : texts and transmission / Irland und Europa im früheren Mittelalter : Texte und Überlieferung | | Monograph or Collective Volume | Four Courts Press | 2002 |
| Ireland and her neighbours in the seventh century | Richter, Michael, 1943-2011 | Monograph or Collective Volume | St. Martin's Press | 1999 |
| Irland im Mittelalter : Kultur und Geschichte | Richter, Michael, 1943-2011 | Monograph or Collective Volume | Kohlhammer | 1983 |
| Irland im Mittelalter. Kultur und Geschichte | Richter, Michael, 1943-2011 | Monograph or Collective Volume | C.H. Beck | 1996 |
| Irland und Europa -Ireland and Europe. Die Kirche im Frühmittelalter - the early Church | | Monograph or Collective Volume | | 1984 |
| Irland und Europa : die Kirche im Frühmittelalter | Richter, Michael, 1943-2011 | Article in Book | | 1984 |
| Kommunikationsprobleme im lateinischen Mittelalter | Richter, Michael, 1943-2011 | Article in Book | Four Courts Press | 1995 |
| Latein als Schlüssel zur Welt des früheren Mittelalters? | Richter, Michael, 1943-2011 | Article in Book | Four Courts Press | 1995 |
| Latina lingua - sacra seu vulgaris ? | Richter, Michael, 1943-2011 | Article in Book | Four Courts Press | 1995 |
| Les langages en pays celtiques | Richter, Michael, 1943-2011 | Article in Journal | | 1993 |
| Les langages en pays Celtiques | Richter, Michael, 1943-2011 | Article in Book | Four Courts Press | 1995 |
| Mediaeval Ireland : saints and martyrologies : selected studies. | Hennig, JohnRichter, Michael, 1943-2011 | Monograph or Collective Volume | Vaviorum | 1989 |
| Medieval Ireland : the enduring tradition | Richter, Michael, 1943-2011 | Monograph or Collective Volume | Gill & Macmillan | 1988 |
| Medieval Ireland : the enduring tradition | Richter, Michael, 1943-2011 | Monograph or Collective Volume | | 1988 |
| Medieval Ireland : the enduring tradition | Richter, Michael, 1943-2011 | Monograph or Collective Volume | Gill & Macmillan | 2005 |
| Medieval Ireland, saints and martyrologies : selected studies | Hennig, JohnRichter, Michael, 1943-2011 | Monograph or Collective Volume | [s.n.] | 1989 |
| Models of conversion in the early middle ages | Richter, Michael, 1943-2011 | Article in Book | | 1995 |
| Modes of conversion in the early middle ages | Richter, Michael, 1943-2011 | Article in Book | | 1995 |
| Monolingualism and Multilingualism in the 14th Century | Richter, Michael, 1943-2011 | Article in Book | Four Courts Press | 1995 |
| Muttersprache und Literatursprache. Methodischer zur Situation in England im 12. Jahrhundert | Richter, Michael, 1943-2011 | Article in Book | Four Courts Press | 1995 |
| O quam gravis est scriptura : early Irish lay society and written culture | Richter, Michael, 1943-2011 | Article in Book | | 2002 |
| Ogma : essays in Celtic studies in honour of Próinséas Ní Chatháin | | Monograph or Collective Volume | Four Courts Press | 2002 |
| Sprachliche Untersuchung der Kosmographie des Aethicus Ister | Richter, Michael, 1943-2011 | Article in Book | Four Courts Press | 1995 |
| Sprachliche Untersuchung der Kosmographie des Aethicus Ister | Richter, Michael, 1943-2011 | Article in Book | | 1985 |
| St Gallen and the Irish in the early middle ages | Richter, Michael, 1943-2011 | Article in Book | | 2002 |
| Studies in Medieval Language and Culture | Richter, Michael, 1943-2011 | Monograph or Collective Volume | Four Courts Press | 1995 |
| The English link in Hiberno-Frankish relations | Richter, Michael, 1943-2011 | Article in Book | | 1991 |
| The European dimension of Irish history in the eleventh and twelfth centuries | Richter, Michael, 1943-2011 | Article in Journal | | 1985 |
| The first century of Anglo-Irish relations | Richter, Michael, 1943-2011 | Article in Journal | | 1974 |
| The formation of the medieval west : studies in the oral culture of the barbarians | Richter, Michael, 1943-2011 | Monograph or Collective Volume | St. Martin's Press | 1994 |
| The interpretation of medieval Irish history | Richter, Michael, 1943-2011 | Article in Journal | | 1985 |
| The introduction of alphabetic writing to Ireland : implications and consequences | Richter, Michael, 1943-2011 | Article in Book | Four Courts Press | 1995 |
| The Norman invasion of 1169 | Richter, Michael, 1943-2011 | Article in Book | | 1986 |
| The personnel of learning in early modern Ireland | Richter, Michael, 1943-2011 | Article in Book | | 1996 |
| The reality of Latin civilization in medieval Europe | Richter, Michael, 1943-2011 | Article in Book | Four Courts Press | 1995 |
| Towards a methodology of historical sociolinguistics | Richter, Michael, 1943-2011 | Article in Book | Four Courts Press | 1995 |
| Towards a methodology of historical sociolinguistics | Richter, Michael, 1943-2011 | Article in Journal | | 1985 |
| Two centenaries : St. Vergil of Saltzburg (784) and St. Methodius (885) | Richter, Michael, 1943-2011 | Article in Journal | | 1985 |
| Urbanitas-Rusticitas: Linguistic Aspects of a Medieval Dichotomy | Richter, Michael, 1943-2011 | Article in Book | Four Courts Press | 1995 |
| Writing the vernacular and the formation of the medieval West | Richter, Michael, 1943-2011 | Article in Book | Four Courts Press | 1995 |