| Luke Wadding | Flanagan, U. G. | Monograph or Collective Volume | Cork University Press | 1961 |
| Our Lady of Graces of Youghal : 3 - history of the image | Flanagan, U. G. | Article in Journal | | 1951 |
| Our Lady of Graces of Youghal, 1, 2 | Flanagan, U. G. | Article in Journal | | 1950 |
| Papal letters of the fifteenth century as a source for Irish history | Flanagan, U. G. | Article in Journal | | 1958 |
| Papal provisions in Ireland, 1305-78 | Flanagan, U. G. | Article in Book | | 1961 |
| The Church in Ireland in the mid-fifteenth century | Flanagan, U. G. | Article in Journal | | 1952 |