| A description of Clogher cathedral in the early sixteenth century | Haren, M. J. | Article in Journal | | 1985 |
| Balancing the books : the papal penitentiary, a tender conscience and the rectory of Clonfeacle | Haren, M. J. | Article in Journal | | 1989 |
| Papal secretariate and datary correspondence relating to Great Britain and Ireland in the fifteenth and early sixteenth centuries : summary report of a survey in the Vatican archives | Haren, M. J. | Article in Journal | | 1986 |
| The medieval pilgrimage to St Patrick's Purgatory : Lough Derg and the European tradition | | Monograph or Collective Volume | Clogher Historical Society | 1988 |
| Vatican Archives as a historical source to c. 1530 | Haren, M. J. | Article in Journal | | 1984 |
| Vatican archives Minutae brevium in forma gratiosa relating to Clogher diocese | Haren, M. J. | Article in Journal | | 1985 |