| 4477 | Brother Allen Archive | Box 124 | 1894-1895 | 6: To hold as 'twere by Mrs Josph Plunkett,... | Brother Allen Archival Collection |
| 4478 | Brother Allen Archive | Box 125 | 1911-1924 | Folder 3 Typescript of the Log of the Asgard gi... | Brother Allen Archival Collection |
| 4479 | Brother Allen Archive | Box 126 | 1856-1894 | 1a Personal letter written by O'Donovan Rossa oh... | Brother Allen Archival Collection |
| 4480 | Brother Allen Archive | Box 129 | 1847-1860 | Three journals of Penella Leinigan, 1852, 1847 and 1... | Brother Allen Archival Collection |
| 5065 | Irish Architectural Archive | 97/84/Box 12 | 1672-1723 | Documents relating to [church] lands in County Doneg... | Castletown Papers |
| 11844 | OPW-Maynooth University Archive and Research Centre (OMARC) | Box 12 | 1848-1995 | House & Garden: Household Tips Box 12General Rat... | Airfield Archive |
| 876 | Religious Society of Friends in Ireland Historical Library | Mss Box 12 | 1854-1922 | Family History: Isabell Grubb-Tales of My Ancestors ... | Handlists: Mss Boxes, Pamphlets Boxes, etc. |
| 5355 | UCD Special Collections | Box 12 | 1931 | Archaeological 1931 Envelope 6 10 Letter from Mrs R.... | Henry Morris Correspondence |