| A troubled triangle : Great Britain, Ireland, the United States and civil aviation, 1944-1945 | O'Grady, Joseph P. | Article in Journal | | 1994 |
| AE, George Russell, mystic and co-operator | Henry, Maurice | Article in Book | | 1989 |
| Co-operative housing | Thompson, Bernard | Article in Book | | 1989 |
| Community radio, co-operation and the new technologies | Byrne, Jack | Article in Book | | 1989 |
| Credit unions : their organisation and role in the Irish co-operative movement | MacEoin, Seamus P. | Article in Book | | 1989 |
| Friendly societies and the self-help movement | Quinn, Anthony | Article in Book | | 1989 |
| New laws for co-operatives : problems & potential | Quinn, Anthony | Article in Book | | 1989 |
| Nineteenth century railway politics in the Belfast-Dublin-Enniskillen triangle, with a note on sources | Leckey, J. J. | Monograph or Collective Volume | | 1973 |
| Paddy the Cope's story | Quinn, Anthony P. | Article in Book | | 1989 |
| Pitchcap and triangle : the Cork Militia in the Wexford rising | Barry, J. M. | Monograph or Collective Volume | Sidney | 1998 |
| Rationalisation is topical but not new | Quinn, Anthony | Article in Book | | 1989 |
| Sir Horace Plunkett & AE : the co-operative movement and politics | West, Trevor | Article in Book | | 1989 |
| St. Patrick : the man and his works | O'Loughlin, Thomas | Monograph or Collective Volume | Triangle | 1999 |
| The "linen triangle" in the 1790s | Crawford, W. H. (William Henry) | Article in Journal | | 1997 |
| The athletic and historical triangle | Ó Leanacháin, MichealÓ Muimhneacháin, Tadhg | Article in Journal | | 1996 |
| The Battle of the Belleek/Pettigo triangle, May/June 1922 | Newman, Seán Bernard | Article in Journal | | 2022 |
| The co-operative movement | Thompson, Bernard | Article in Book | | 1989 |
| The Dublin and Monaghan bombings and the murder triangle | Tiernan, Joe | Monograph or Collective Volume | Joe Tiernan | 2002 |
| The golden triangle : creativity - cooperation, action : the AE commemorative lectures | Quinn, Anthony P. | Monograph or Collective Volume | Society for Co-Operative Studies in Ireland | 1989 |
| The Irish co-operative movement : new stirrings | Quinn, Anthony | Article in Book | | 1989 |
| The Irish triangle : conflict in Northern Ireland | Hull, Roger Harold | Monograph or Collective Volume | Princeton University Press | 1976 |
| The Mondragon co-operation - strategy for development | McKenna, Dermot | Article in Book | | 1989 |
| The Pettigo-Belleek Triangle incident | Kinsella, Anthony | Article in Journal | | 1997 |
| The Prince and the co-operative pioneer | Quinn, Anthony P. | Article in Book | | 1989 |
| The Registry of Friendly Societies : background and functions | Quinn, Anthony P. | Article in Book | | 1989 |
| The Yeats - Gonne - MacBride triangle | Jordan, Anthony J. | Monograph or Collective Volume | Westport Books | 2000 |
| Workers co-ops in Ireland today | Redmond, Tom | Article in Book | | 1989 |