| Faith or fatherhood? Bishop Dunboyne's dilemma : the story of John Butler, Catholic bishop of Cork 1763-1787 | Costello, Con | Monograph or Collective Volume | Woodfield Press | 2000 |
| In quest of an heir : the life and times of John Butler, Catholic bishop of Cork, Protestant baron of Dunboyne | Costello, Con | Monograph or Collective Volume | NA | 1978 |
| John Butler, baron of Dunboyne and bishop of Cork 1763-1787 | O'Mahony, Eoin | Article in Journal | | 1969 |
| The Lord and the Nun | Logue, Rose Mary | Article in Journal | | 2019 |
| Wildord, the bishop's house | Flannery, Pearl | Article in Journal | | 1987 |