| Varia: 1. Proclitic mis. 2. fírad. 3. Further to In Coire Érmae, ‘The Caldron of Poesy’. | Breatnach, Liam | Article in Journal | | 2023 |
| A companion to the Corpus Iuris Hibernici | Breatnach, Liam | Monograph or Collective Volume | Dublin Institute for Advanced Studies, School of Celtic Studies | 2005 |
| A verse on succession to ecclesiastical office | Breatnach, Liam | Article in Book | | 2007 |
| Addenda and corrigenda to 'the caldron of poesy' | Breatnach, Liam | Article in Journal | | 1984 |
| An aoir sa ré luath | Breatnach, Liam | Article in Book | | 1988 |
| An edition of 'Amra Senáin' | Breatnach, Liam | Article in Book | | 1989 |
| An Mheán-Ghaeilge | Breatnach, Liam | Article in Book | Roinn na Sean-Gaeilge, Coláiste Phádraig, Maigh Nuad | 1994 |
| Bóthar údar téacsleabhar | Breatnach, Liam | Article in Journal | | 2002 |
| Canon law and secular law in early Ireland : the significance of Bretha Nemed | Breatnach, Liam | Article in Journal | | 1984 |
| Cétmuinter : the Old Irish term for 'spouse' and its interpretation | Breatnach, Liam | Article in Book | | 2019 |
| Cinnus atá do thinnrem: a poem to Máel Brigte on his coming of age | Breatnach, Liam | Article in Journal | | 2008 |
| Conchobar Mac Nesa (? first century A.D.) and the triumph of Christianity | Breatnach, Liam | Article in Book | | 1989 |
| Conchobar Mac Nesa (? first century AD) and the triumph of Christianity | Breatnach, Liam | Article in Book | | 1989 |
| Dinnseanchas Inbhear Chíochmhaine, ‘trí comaccomail na Góedelge’, agus caibidil i stair litriú na Gaeilge. | Breatnach, Liam | Article in Book | | 2012 |
| Forms of payment in the early Irish law tracts | Breatnach, Liam | Article in Journal | | 2014 |
| Law | Breatnach, Liam | Article in Book | | 1996 |
| Law and literature in early medieval Ireland | Breatnach, Liam | Article in Book | | 2010 |
| Lawyers in early Ireland | Breatnach, Liam | Article in Book | | 1990 |
| Lebor na hUidre : some linguistic aspects | Breatnach, Liam | Article in Book | | 2015 |
| Legal and societal aspects of the poems of Blathmac | Breatnach, Liam | Article in Book | | 2015 |
| On satire and the poet's circuit | Breatnach, Liam | Article in Book | | 2004 |
| On the line-break in Early Irish verse, and some remarks on the syntax of the genitive in Old and Middle Irish | Breatnach, Liam | Article in Book | | 2016 |
| On the original extent of the Senchas Már | Breatnach, Liam | Article in Journal | | 1996 |
| Poets and poetry | Breatnach, Liam | Article in Book | | 1996 |
| Ríagail na Manach Líath 'The Rule of the Grey Monks' : a late medieval fabrication | Breatnach, Liam | Article in Journal | | 2020 |
| Sages, saints and storytellers : Celtic studies in honour of Professor James Carney | | Monograph or Collective Volume | An Sagart | 1989 |
| Satire, praise and the early Irish poet | Breatnach, Liam | Article in Journal | | 2006 |
| Senchas Gall Átha Cliath : aspects of the cult of St. Patrick in the twelfth century | Boyle, ElizabethBreatnach, Liam | Article in Book | | 2015 |
| The caldron of poesy | Breatnach, Liam | Article in Journal | | 1981 |
| The ecclesiastical element in the Old-Irish legal tract Cáin Fhuithirbe | Breatnach, Liam | Article in Journal | | 1986 |
| The first third of 'Bretha Nemed Toísech' | Breatnach, Liam | Article in Journal | | 1989 |
| The glossing of the Early Irish law tracts | Breatnach, Liam | Article in Book | | 2016 |
| The laws of the Irish | Breatnach, LiamBreen, AidanÓ Corráin, Donnchadh | Article in Journal | | 1984 |
| The suffixed pronouns in early Irish | Breatnach, Liam | Article in Journal | | 1977 |
| The trefhocal tract : an early Middle Irish text on poetics | Breatnach, Liam | Article in Book | | 2017 |
| Tochmarc Luaine ocus Aided Athairne | Breatnach, Liam | Article in Journal | | 1980 |
| Uraicecht na Ríar : the poetic grades in early Irish law | Breatnach, Liam | Monograph or Collective Volume | | 1987 |
| Varia I : 1. De Duodecim Abusivis Saeculi in medieval Ireland | Breatnach, Liam | Article in Journal | | 2014 |
| Varia II : 1, Irish geined and geinit, Gaulish geneta, Welsh geneth : 2, prepositions with added vowel in relative compound verbs | Breatnach, Liam | Article in Journal | | 1994 |