| August 1969 : Ireland's only appeal to the United Nations : a cautionary tale of humiliation and moral collapse | Clifford, Angela | Monograph or Collective Volume | Belfast Magazine | 2006 |
| In times of peril : memoirs of the Irish war of independence | Clifford, BrendanKearns, Linda | Monograph or Collective Volume | B. Clifford | 1995 |
| Military aspects of Ireland's arms crisis of 1969-70 | Clifford, Angela | Monograph or Collective Volume | Belfast Magazine | 2006 |
| Orange : a political rhapsody in three cantos | Clifford, BrendanGiffard, George | Monograph or Collective Volume | B. Clifford | 1995 |