Descriptive lists have recently been prepared for the following collections/series :
| Sean Punch, IRA man, personal autograph book, including his time in Gormanstown Camp and Mountjoy, 1923 - 1924 U89 List |
| James Huleatt, Survey of Cork City Walls, 1733 SM646 List |
| House of Industry and Lunatic Asylum, financial ledger, 1828 - 1831 U500 List |
| Cork City Council Register of Honorary Burgesses (Freemen), 1930 - 2011 CP/CO/FR List |
| Hilda Buckley, Ballet scrapbooks, 1947-1992 PR/HB |
| Robert Bennett, Recorder of Cork, note book 1841 - 1843 U21 List |
| Tom Barry (senior IRA commander). MSS. U16 List |
| Cork County Committee of Agriculture. This organisation played a major role in agricultural development in Cork from 1901 - 1980. CC/CM/AG List |
| John Brown collection. Head Constable in the Royal Irish Constabulary in Cork from c1890 - 1922. Includes accounts of riot against army recruitment in 1917, and events on the night of the Burning of Cork in December 1920, and other material. U97 List |
| Brother Allen Deposit (O'Connell Collection) Various items from 19th century relating to the O'Connells of Derrynane, Coppingers and others. U4 List |
| Charleville Electoral Division Rate Books, 1842 and 1848 U92 List |
| Board of Guardian collections relating to workhouses and poor law unions from across County Cork, c.1838 - c.1923 |
Cork City Council (Cork Corporation) Minute Books, 1710- 1732, 1901- 1906, 1912 - 1984 CP/CO/M List |
| Cork Council of Trade Unions, minute books, etc., 1915 - 1988 U216 List |
Cork County Council Minute Books, 1899 - 1997 CC/CO/M List |
Cork Spinning and Weaving Company, (1840s) 1868-1918 B530 List |
| Cork Model School, pupil and teacher training records, 1865 - 1990 NS/MS List |
| Curwens Solicitors (mainly leases and deeds relating to property in Cork City, north Cork and Kerry, various estates), 1715 - 1909 U708 List |
| Hely Hutchinson Cork Electors MS., c.1783 SM768 List (Also online) |
| JT Horne collection: Theatre scrapbooks, posters and memorabilia, 1871 - 1933 U201 List |
| Viscount Lismore (Tenant letters), 1880s U68 List |
| Thomas Lyons (First Roman Catholic Mayor of Cork). Correspondence from Daniel O'Connell MP and others re. Repeal campaign, 1832 - 1850 SM775 List |
| Midleton Charter, early copy of, 1670 U336/1 List |
| O'Flynn Exham Solicitors (very large collection relating to numerous places, estates, families and properties), (1356) c.1500 – 1910 (c.1956) U229 List |
| Preston Collection (Solictors papers, large collection of deeds and legal documents), (1611) 1716 – 1962 U195 List |
Vanderplas Cork Deeds Cork City, 1598-1694 U675 List |