Collection
- fáilte ireland tourism photographic collection (14949)
- clarke stained glass studios collection (10018)
- bailiúchán sheáin mhic ghiollarnáth (leathanaigh thras-scríofa) (3807)
- bailiúchán sheáin mhic ghiollarnáth (leathanaigh scanta) (3807)
- jacob's biscuit factory archive (3227)
- tii digital heritage collections (3111)
- post office irish postage stamp collection (2379)
- the irish stone axe project digital collection (2302)
- kilkenny design workshop (2040)
- dublin city electoral lists (2009)
- ordnance survey first edition 6-inch map sheet information (1907)
- dublin castle tracts (1567)
- a digital botanical archive of robert lloyd praeger (1865-1953): digitisation of praeger’s plant specimens at the national herbarium of ireland (1549)
- ordnance survey memoir drawings (1547)
- ordnance survey letters (1229)
- records of dáil éireann (1189)
- ports, past and present (1130)
- candidates, campaigns and tallymen: a slice of election coverage (1032)
- royal dublin fusiliers association archive (946)
- wide streets commission (1681-1851) (935)