| ID | Repository | Reference | Date | Description | Collection |
|---|---|---|---|---|---|
| 1919 | National Library of Ireland | Ms4210 | c1930 | A holograph work by William O'Brien entitled 'The Ir... |
| ID | Repository | Reference | Date | Description | Collection |
|---|---|---|---|---|---|
| 1919 | National Library of Ireland | Ms4210 | c1930 | A holograph work by William O'Brien entitled 'The Ir... |