| An Béaslaíoch : beatha agus saothar Phiarais Béaslaí (1881-1965) | Ó Siadhail, Pádraig | Monograph or Collective Volume | Coiscéim | 2007 |
| An fear as Buenos Aires | Béaslaí, Piaras S., 1881-1965 | Monograph or Collective Volume | Oifig Díolta Foillseacháin Rialtais | 1936 |
| Daring escape from Manchester Gaol. Reproduced from 'The Southern Star', Issue December 12, 1936 | Anonymous | Article in Journal | | 2006 |
| Éigse nua-Ghaedhilge : Tráchtas ar fhilíbh agus ar fhilidheacht na Gaedhilge ó 1600 to dtí 1850. Cuid a h-aon 1600-1700, Cuid a dó 1700-1850 | Béaslaí, Piaras S., 1881-1965 | Monograph or Collective Volume | Comhlucht Oideachais na hÉireann | 1937 |
| Michael Collins - his biographers Piaras Béaslaí and Rex Taylor | McMahon, Deirdre | Article in Book | | 1998 |
| Michael Collins : soldier and statesmen | Béaslaí, Piaras S., 1881-1965 | Monograph or Collective Volume | Talbot Press | 1937 |
| Michael Collins and the making of a new Ireland | Béaslaí, Piaras S., 1881-1965 | Monograph or Collective Volume | [s.n.] | 1926 |
| The Birth of an army : the formation of Óglaigh na hÉireann 1913-1915 (Part I) | O'Shea, BrendanWhite, Gerry | Article in Journal | | 2013 |
| The birth of an Army : the formation of Óglaigh na hÉireann 1913-1915 (Part II) | O'Shea, BrendanWhite, Gerry | Article in Journal | | 2013 |
| The birth of an army : the formation of Óglaigh na hÉireann, 1913-1915 | O'Shea, BrendanWhite, Gerry | Article in Journal | | 2003 |