| 'An excuse for not timely writing the Antichristian Creed' : a poem by Donnchadh Ruadh Mac Conmara | Mac Peaircín, Liam, 1938-2019 | Article in Journal | | 2006 |
| 'Fo-ghráinne annso súd i measg an locháin' | Mac Peaircín, Liam, 1938-2019 | Article in Journal | | 2004 |
| An cearrbhach, an lúbadóir is an gaiscíoch i gclais and phúca | Mac Peaircín, Liam, 1938-2019 | Article in Journal | | 2005 |
| An eala ar a bhfuaid : Cúirt an Mheán Oíche i lámha na scríobaithe | Mac Peaircín, Liam, 1938-2019 | Monograph or Collective Volume | Coiscéim | 2016 |
| An Gleann is a raibh ann
.i.e. Sean-fhear ag dul siar ar a smaointe
(bunaithe ar LNÁ G1239.1) | Ó Maolchathaigh, Séamus, 1884-1968 | Monograph or Collective Volume | Mac Peaircín, Liam | 2023 |
| An Gleann is a raibh ann
.i.e. Sean-fhear ag dul siar ar a smaointe
(bunaithe ar ls. SÓM) | Ó Maolchathaigh, Séamus, 1884-1968 | Monograph or Collective Volume | Mac Peaircín, Liam | 2022 |
| An Sléibhteánach - Iris ó Mhainistir Chnoc Mheilearaí | Mac Peaircín, Liam | Monograph or Collective Volume | An Droichead Miotail | 2025 |
| Ar mo mharana ar bharr sléibhe | Mac Peaircín, Liam, 1938-2019 | Article in Journal | | 2013 |
| Béaloideas ó Mheilearaí | Mac Peaircín, Liam | Article in Journal | | 2023 |
| Beochaoineadh Mhártain Uí Chradáin | Mac Peaircín, Liam | Article in Book | | 2025 |
| Breac sa bhFarraige: An Stoc agus an Chearnóg (1917-1931) | Mac Peaircín, Liam | Monograph or Collective Volume | An Droichead Miotail | 2020 |
| Cnuasacht paidreacha ó dheisceart Chontae Thiobraid Árainn | Mac Peaircín, Liam, 1938-2019 | Article in Journal | | 2018 |
| Donnchadh Ó Ceallaigh : fear freastail lucht léinn | Mac Peaircín, Liam, 1938-2019 | Monograph or Collective Volume | Coiscéim | 2008 |
| Fo-Ghráinne Annso Súd I Measg an Lócháin | Ó Maolchathaigh, Séamus | Monograph or Collective Volume | An Droichead Miotail | 2021 |
| Gníomh Dóchais : Irisleabhar na Gaedhilge | Mac Peaircín, Liam, 1938-2019 | Monograph or Collective Volume | Coiscéim | 2018 |
| Gníomh Dóchais : Irisleabhar na Gaedhilge (1882-1909) | Mac Peaircín, Liam, 1938-2019 | Monograph or Collective Volume | Coiscéim | 2018 |
| In ainm na saoire: Piaras Mac Canna, Caitliceach, Óglach, Gaeilgeoir | Mac Peaircín, Liam, 1938-2019 | Article in Journal | | 2012 |
| Indices to the 'Bulletin of the Ulster Place-Name Society' (Series I and II) | Mac Peaircín, Liam, 1938-2019 | Article in Journal | | 2008 |
| Irisleabhar na Gaedhilge (1882-1909) : gníomh dóchais na teanga | Mac Peaircín, Liam, 1938-2019 | Article in Book | | 2016 |
| Lámhscríbhinní Leabharlann John Rylands agus D.H. Kelly | Mac Peaircín, Liam, 1938-2019 | Article in Journal | | 2006 |
| Marbhna an athair Nioclás Mac Síthigh | Mac Peaircín, Liam, 1938-2019 | Article in Book | | 2012 |
| Miotal ár Sinsear - Athbheochan na Gaeilge i gCo. Thiobraid Árann. 1900-1930 | Mac Peaircín, Liam | Monograph or Collective Volume | An Droichead Miotail | 2025 |
| Ó Chill Chaoi go Cill Eoin: clár lámhscríbhinní Chlann Domhnaill | Mac Peaircín, Liam, 1938-2019 | Monograph or Collective Volume | Coiscéim | 2010 |
| William Smith O'Brien, an scoláire Gaeilge | Mac Peaircín, Liam, 1938-2019 | Article in Journal | | 2002 |