| Reference Number | Title | Date |
| RCPI/2/3/2/13/231 | Letter to The Right Hon. H. E. Duke, Chief Secretary for Ireland, Old Queen Street, S. W. | 24 April 1917 |
| RCPI/2/3/2/13/234 | Letter to the Right Hon., The Chief Secretary for Ireland, Dublin Castle | 5 June 1917 |
| RCPI/2/3/2/13/237 | Letter to the Right Hon., The Chief Secretary for Ireland, Dublin Castle | 30 June 1917 |
| RCPI/2/3/1/59/Upsilon9 | Letter from the Chief Secretary's Office, Dublin Castle | 2 February 1917 |
| RCPI/2/3/1/59/Upsilon26 | Letter from Irish Office, Old Queen Street, S.W.1 | 28 April 1917 |
| RCPI/2/3/1/59/Upsilon39 | Letter from the Chief Secretary for Ireland, Old Queen Street, S. W. | 16 July 1917 |
| RCPI/2/3/1/59/Upsilon68 | Letter from the Chief Secretary's Office, Dublin Castle | 6 February 1918 |
| RCPI/2/3/1/59/Upsilon67/1 | Letter from the Chief Secretary's Office, Dublin Castle | 12 January 1918 |
| RCPI/2/3/1/59/Upsilon67/2 | Letter from the Chief Secretary's Office, Dublin Castle | 18 January 1918 |
| RCPI/2/3/1/59/Upsilon81 | Letter from the Chief Secretary's Office, Dublin Castle | 13 April 1918 |