| An chéad dáil agus na nuachtáin | Mac Aonghusa, Proinsias | Article in Journal | | 1959 |
| An Ghaeilge anois | Mac Aonghusa, Proinsias | Article in Book | | 1993 |
| An Ghaeilge i Meiriceá | Mac Aonghusa, Proinsias | Article in Book | | 1979 |
| Ar son na Gaeilge : Conradh na Gaeilge 1893-1993 : stair sheanchais | Mac Aonghusa, Proinsias | Monograph or Collective Volume | Conradh na Gaeilge | 1993 |
| Dáithi Ó nUaithne : cuimhní cairde | | Monograph or Collective Volume | Clóchomhar | 1994 |
| Eaglaisigh Caitleaha agus polaitíocht an Lucht Oibre sna caogadaí san Astráil | Mac Aonghusa, Proinsias | Article in Book | | 1989 |
| Éamon de Valera : na blianta réabhlóideacha | Mac Aonghusa, Proinsias | Monograph or Collective Volume | An Clóchomhar | 1982 |
| Gaillimh agus aistí eile | Mac Aonghusa, Proinsias | Monograph or Collective Volume | Clóchomhar | 1983 |
| Gáire mór na féasóige | Mac Aonghusa, Proinsias | Article in Book | | 1994 |
| Mar a bunaíodh Amharclann na Mainistreach | Mac Aonghusa, Proinsias | Article in Journal | | 2003 |
| Oireachtas na Gaeilge : 1897-1997 | Mac Aonghusa, Proinsias | Monograph or Collective Volume | Conradh na Gaeilge | 1997 |
| Ón gCrannóg : cnuasach aistí | Mac Aonghusa, Proinsias | Monograph or Collective Volume | An Clóchomhar | 1991 |
| Pádraic Fionn Ó Conaire | Mac Aonghusa, Proinsias | Article in Journal | | 2001 |
| Quotations from Eamon de Valera | De Valera, EamonMac Aonghusa, Proinsias | Monograph or Collective Volume | Mercier Press | 1983 |
| Quotations from P. H. Pearse | Mac Aonghusa, ProinsiasPearse, Patrick Henry, 1879-1916 | Monograph or Collective Volume | Mercier Press | 1979 |
| Reflections on the fortunes of the Irish language in Canada, with some reference to the fate of the language in the United States | Mac Aonghusa, Proinsias | Article in Book | | 1988 |
| Ros Muc | Mac Aonghusa, Proinsias | Article in Book | | 2000 |
| Sean O'Casey and the Gaelic League | Mac Aonghusa, Proinsias | Article in Book | NA | 1994 |
| Seán O'Casey: Gaeilgeoir agus réabhlóidí | Mac Aonghusa, Proinsias | Article in Journal | | 2002 |
| The best of Connolly | Connolly, James, 1868-1916 | Monograph or Collective Volume | Mercier Press | 1967 |
| The best of Tone | Mac Aonghusa, ProinsiasTone, Theobald Wolfe, 1763-1798Ó Réagáin, Liam | Monograph or Collective Volume | Mercier Press | 1972 |
| Tomás de Bhaldraithe, Cuimhní Cairde | | Monograph or Collective Volume | Clóchomher Tta | 1997 |
| What Connolly said : James Conolly's writing | Connolly, James, 1868-1916 | Monograph or Collective Volume | New Island | 1995 |