| 5061 | Irish Architectural Archive | 97/84/Box 8 | 1726-1772 | Leases relating to lands titled Bornabreengh, Timon,... | Castletown Papers |
| 5112 | Irish Architectural Archive | 97/84/Box 80 | 1759-1803 | Account Books and papers relating to Castletown esta... | Castletown Papers |
| 5113 | Irish Architectural Archive | 97/84/Box 81 | 1796-1938 | Account Book outlining sundry expenses relating to C... | Castletown Papers |
| 5114 | Irish Architectural Archive | 97/84/Box 82 | 1960-1970 | Transcripts of letters Lennox sisters, Louisa Lennox... | Castletown Papers |
| 5115 | Irish Architectural Archive | 97/84/Box 83 | 1761-1789 | Account Books relating to Castletown and Rathfarnham... | Castletown Papers |