| 'Ireland's Revolutionary Diplomat: a biography of Leopold Kerney' [by] Barry Whelan. Notre Dame, 2019; reviewed by Manus O'Riordan | O'Riordan, Manus | Article in Journal | | 2019 |
| A citizen's defence for Bloomsday | O'Riordan, Manus | Article in Journal | | 2008 |
| Communism in Dublin in the 1930s : the struggle against fascism | O'Riordan, Manus | Article in Book | | 1994 |
| Document study : Connolly socialism and the Jewish worker | O'Riordan, Manus | Article in Journal | | 1988 |
| Eugene Downing (obituary) | O'Riordan, Manus | Article in Journal | | 2003 |
| Gerald O'Reilly | O'Riordan, Manus | Article in Journal | | 1991 |
| James Connolly re-assessed : the Irish and European context | O'Riordan, Manus | Monograph or Collective Volume | Anbane Historical Society | 2006 |
| James Connolly, Liberty Hall and the 1916 Rising | Devine, Francis,O'Riordan, Manus | Monograph or Collective Volume | Irish Labour History Society in association with SIPTU | 2006 |
| James Larkin Junior and the forging of a thinking intelligent movement | O'Riordan, Manus | Article in Journal | | 1994 |
| Larkin in America : the road to Sing Sing | O'Riordan, Manus | Article in Book | | 1998 |
| Maurice Levitas obituary | O'Riordan, Manus | Article in Journal | | 2001 |
| The pioneers : Young Jim Larkin | O'Riordan, Manus | Article in Book | | 2013 |
| The voice of a thinking intelligent movement : James Larkin junior and the ideological modernisation of Irish trade unionism | O'Riordan, Manus | Monograph or Collective Volume | Irish Labour History Society | 2001 |