| 4996 | National Archives of Ireland | 1045/5/7 | 1835-1934 | Records of Apprenticeship, 1835-1934. | Protestant Orphan Society |
| 8879 | National Archives of Ireland | 1045/5/7/1-11 | 1835-1934 | Records of Apprenticeships 1835-1924, includes files... | Protestant Orphan Society |