National Portrait GalleryThe Mad Bull (James Craig, 1st Viscount Craigavon; Michael Collins) cartoon, 15 February 1922
Decade of Centenaries timelinePro-treaty leaflet detailing some arguments about the anti-treaty supporters leaflet, 15 June 1922
Decade of Centenaries timelineCivilians in Belfast being searched by police photograph, 13 March 1922
Bicycles, Barracks & BandoliersMemo regarding Catholic recruitment in the RUC and USC memo, March 1922
Decade of Centenaries timelineBallytrain RIC barracks captured and sacked by the IRA. photograph, 1920
National Museums IrelandThe last letter written by Seán Mac Diarmada (Sean MacDermott) letter, 11 May 1916