| Dominican priories in Roscommon | Valkenburg, Augustine | Article in Journal | | 1986 |
| Gerald, eleventh earl of Kildare (1525-85) : a study in diplomacy | Valkenburg, Augustine | Article in Journal | | 1968 |
| Pádraigín an Doiminiceach as Caiseal Mumhan | Valkenburg, Augustine | Article in Book | | 1986 |
| Pádraigín an Doiminiceach as Caiseal Mumhan [c. 1604-54] | Valkenburg, Augustine | Article in Book | | 1986 |
| Pádraigín Haicéad, O.P., 1604?-1654 | Valkenburg, Augustine | Article in Journal | | 1985 |
| Peter Higgins, OP | Valkenburg, Augustine | Article in Book | | 2005 |
| Terence Albert O'Brien, O.P. | Valkenburg, Augustine | Article in Book | | 2005 |
| Thadeus Moriarty, O.P., 1603-1653 | Valkenburg, Augustine | Article in Journal | | 1982 |
| The beatified martyrs of Ireland (10) : Terence Albert O'Brien, O.P., Bishop of Emly | Valkenburg, Augustine | Article in Journal | | 2001 |
| The beatified martyrs of Ireland (9) : Peter Higgins, O.P. | Valkenburg, Augustine | Article in Journal | | 2001 |
| The Kildare poems | Valkenburg, Augustine | Article in Journal | | 1987 |
| The Ven. Peter Higgins, Dominican, 1601? -1642 | Valkenburg, Augustine | Article in Journal | | 1973 |
| Two Dominican martyrs of Ireland | Fenning, HughValkenburg, Augustine | Monograph or Collective Volume | Dominican | 1992 |
| Walter Wellesley, bishop of Kildare, 147? - 1539 | Valkenburg, Augustine | Article in Journal | | 1970 |