| A directory of rare book and special collections in the United Kingdom and the Republic of Ireland | | Monograph or Collective Volume | Library Association | 1985 |
| Ancient mythology and revolutionary ideology in Ireland, 1878-1916 | Williams, M. | Article in Journal | | 1983 |
| John Ponce's response to Kenelm Digby's 'A discourse concerning infallibility in religion' (Paris, 1652) | | Article in Journal | | 2012 |
| Packet to Ireland : Porthdinllaen's challenge to Holyhead | Elis-Williams, M. | Monograph or Collective Volume | | 1984 |
| Sea raiders in the waters between Anglesey and Ireland during the 17th & 18th centuries | Williams, M. L. | Article in Journal | | 1946 |