| 1004 | National Library of Ireland | Mss12972-12978 | 1755-1799 | Rental Accounts, Tenants Ledgers, Memoranda, Rent Ro... | |
| 1006 | National Library of Ireland | Mss12989 | 1818-1872 | Ledger of accounts of tenants on the Paul estates in... | |
| 1007 | National Library of Ireland | Mss12990-12991 | 1827-1842 | Journal recording monies received for William Gun Pa... | |
| 3534 | National Library of Ireland | Mss12002-12004 | 1828-1859 | Three Account Books of Mary Trench, 1828-1859. | Domvile Papers |
| 3585 | National Library of Ireland | Mss12096-12097 | 1818-1873 | Minute Book of the Governors of (Thomas) Pleasants&#... | |
| 3586 | National Library of Ireland | Mss12099-12100 | 1818-1871 | Preacher's books relating to Female Orphan House... | |
| 3587 | National Library of Ireland | Mss12101-12104 | 1791-1900 | Micellaneous records relating to the Female Orphan ... | |
| 3588 | National Library of Ireland | Mss12105-12109 | 1814-1911 | Governors' Minute Books, Female Orphan House, Dublin... | |
| 3592 | National Library of Ireland | Mss12138-12141 | 1771-1824 | Four Account Ledgers detailing accounts with tenants... | Otway Papers |
| 3600 | National Library of Ireland | Mss12180-12185 | c1819-1820 | Six music volumes from the collection of the Stewart... | |
| 3605 | National Library of Ireland | Mss12720- 12723 | 1746-1801 | Rentals of the estates of the Earl of Drogheda, Coun... | Drogheda Papers |
| 3619 | National Library of Ireland | Mss12724-12765 | 1810-1861 | Rentals of the Earl of Drogheda's estates, County Ki... | Drogheda Papers |
| 3621 | National Library of Ireland | Mss12768-12788 | 1814-1827 | Eleven rentals of the estates of George Putland, Cou... | |
| 3624 | National Library of Ireland | Mss12790-12804 | 1800-1829 | Accounts for rent of the Earl of Leitrim's estate in... | Leitrim Papers |
| 3625 | National Library of Ireland | Mss12805-12807 | 1812-1821 | Accounts for rent of the Bohey, County Leitrim, esta... | Leitrim Papers |
| 3628 | National Library of Ireland | Mss12810-12812 | 1844-1848 | Rentals of the estates of the 2nd Earl of Leitrim, C... | Leitrim Papers |
| 3629 | National Library of Ireland | Mss12818-12909 | 1830-1899 | Miscellaneous accounts and rentals relating to the ... | Cloncurry Papers |
| 11951 | National Library of Ireland | Mss12362-12365 | 1913-1920 | Belmullet Poor Law Union Minute Books: Ms12,362 Mar... | Belmullet Poor Law Union |
| 11952 | National Library of Ireland | Mss12707-12710 | 1854-1860 | Westport Poor Law Union Ledgers: Ms12,707 March 185... | Westport Poor Law Union |
| 11954 | National Library of Ireland | Mss12473-12481 | 1850-1860 | Claremorris Poor Law Union Minute Books: Ms12,473 1... | Claremorris Poor Law Union |
| 11955 | National Library of Ireland | Mss12572-12580 | 1902-1919 | Killala Poor Law Union Minute Books: Ms12,572 1 Nov... | Killala Poor Law Union |
| 11957 | National Library of Ireland | Mss12594-12600 | 1890-1900 | Swinford Poor Law Union Minute Books: Ms12,594 6 De... | Swinford Poor Law Union |
| 11958 | National Library of Ireland | Mss12230-12237 | 1865-1870 | Ballina Poor Law Union Minute Books: Ms12,230 July ... | Ballina Poor Law Union |
| 11959 | National Library of Ireland | Mss12566-12571 | 1881-1892 | Killala Poor Law Union Minute Books: Ms12,566 Janua... | Killala Poor Law Union |
| 11956 | National Library of Ireland | Mss12469 | 1899-1915 | Castlebar Poor Law Union Letter Books: Ms12,469 8 M... | Castlebar Poor Law Union |
| 11960 | National Library of Ireland | Mss12257-12266 | 1880-1890 | Ballina Poor Law Union Minute Books: Ms12,257 Janua... | Ballina Poor Law Union |
| 12258 | National Library of Ireland | Mss12395-12410 | 1870-1879 | Castlebar Poor Law Union Minute Books, May 1870-July... | Castlebar Poor Law Union |
| 12259 | National Library of Ireland | Mss12380-12394 | 1859-1870 | Castlebar Poor Law Union Minute Books, September 185... | Castlebar Poor Law Union |
| 12260 | National Library of Ireland | Mss12491-12506 | 1870-1880 | Claremorris Poor Law Union Minute Books, August 1870... | Claremorris Poor Law Union |
| 12261 | National Library of Ireland | Mss12535-12545 | 1901-1922 | Claremorris Poor Law Union Minute Books, November 19... | Claremorris Poor Law Union |
| 12262 | National Library of Ireland | Mss12682-12696 | 1900-1915 | Westport Poor Law Union Minute Books: July 1900-Janu... | Westport Poor Law Union |
| 12263 | National Library of Ireland | Mss12267-12280 | 1890-1899 | Ballina Poor Law Union Minute Books, June 1890-Decem... | Ballina Poor Law Union |
| 12264 | National Library of Ireland | Mss12521-12534 | 1890-1899 | Claremorris Poor Law Union Minute Books, December 18... | Claremorris Poor Law Union |
| 12265 | National Library of Ireland | Mss12643-12653 | 1870-1876 | Westport Poor Law Union Minute Books, April 1870-Apr... | Westport Poor Law Union |
| 12266 | National Library of Ireland | Mss12238-12256 | 1870-1880 | Ballina Poor Law Union Minute Books, January 1870-Ja... | Ballina Poor Law Union |
| 12267 | National Library of Ireland | Mss12326-12328 | 1918-1923 | Ballinrobe Poor Law Union Minute Books, June 1918-Ju... | Ballinrobe Poor Law Union |
| 12268 | National Library of Ireland | Mss12449-13463 | 1910-1919 | Castlebar Poor Law Union Minute Books, February 1910... | Castlebar Poor Law Union |
| 12269 | National Library of Ireland | Mss12281-12300 | 1900-1910 | Ballina Poor Law Union Minute Books, January 1900-Ja... | Ballina Poor Law Union |
| 12270 | National Library of Ireland | Mss12425-12434 | 1891-1899 | Castlebar Poor Law Union Minute Books, January 1891-... | Castlebar Poor Law Union |
| 12271 | National Library of Ireland | Mss12321-12325 | 1896-1908 | Ballinrobe Poor Law Union Minute Books, December 189... | Ballinrobe Poor Law Union |
| 12272 | National Library of Ireland | Mss12411-12424 | 1880s | Castlebar Poor Law Union Minute Books, 1880s (with g... | Castlebar Poor Law Union |
| 12273 | National Library of Ireland | Mss12626-12642 | 1860-1870 | Westport Poor Law Union Minute Books, April 1860-Apr... | Westport Poor Law Union |
| 12274 | National Library of Ireland | Mss12257-12266 | 1880-1890 | Ballina Poor Law Union Minute Books, January 1880-Ju... | Ballina Poor Law Union |
| 12275 | National Library of Ireland | Mss12301-12320 | 1910-1921 | Ballina Poor Law Union Minute Books, Janaury 1910-Oc... | Ballina Poor Law Union |
| 12276 | National Library of Ireland | Mss12435-12448 | 1900-1910 | Castlebar Poor Law Union Minute Books, September 190... | Castlebar Poor Law Union |
| 12277 | National Library of Ireland | Mss12507-12520 | 1880-1890 | Claremorris Poor Law Union Minute Books, February 18... | Claremorris Poor Law Union |
| 12278 | National Library of Ireland | Mss12654-12669 | 1879-1890 | Westport Poor Law Union Minute Books, August 1879-Au... | Westport Poor Law Union |
| 7809 | Ulster University Special Collections, Magee Campus | MSS12 | | MSS12 Certified bound copy, 167 folios in length, of... | Special Collections |