| 1 | Blake of Ballyglunin |
| The Ffrench of Rahasane |
| 2.1 | Hennessy Case |
| 2.2 | Clanmorris family |
| 2.3 | Letters |
| 2.3.1 | Business Letters |
| 2.3.1.1 | Letters to Robert J.ffrench |
| 2.3.1.2 | Letters to Mrs.ffrench |
| 2.3.1.3 | Letters to James Smyth |
| 2.3.1.4 | Letters to John Connally |
| 2.3.1.5 | Letters to other persons |
| 2.3.1.6 | Letters to Brabazon Browne |
| 2.3.1.7 | Letters to Robert J.ffrench from other persons |
| 2.3.2 | Family Letters |
| 2.3.2.1 | Letter to Mrs.ffrench |
| 2.3.2.2 | Letters to Lady Clanmorris |
| 2.3.2.3 | Letters to other persons |
| 2.4 | Accounts |
| 2.4.1 | Accounts of Robert J. and Mrs.Ffrench |
| 2.4.2. | Accounts of Lady Clanmorris |
| 2.5 | Miscellaneous 19th century |