National Portrait GalleryThe Mad Bull (James Craig, 1st Viscount Craigavon; Michael Collins) cartoon, 15 February 1922
UCD Digital LibraryGroup of IFS Army soldiers firing artillery on the Four Courts photograph, 28 June 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
Flickr - NLIThe shell of the G.P.O. on Sackville Street after the 1916 Rising photograph, May 1916
Decade of Centenaries timelineUnionist Clubs and Orangemen en route to Balmoral Showgrounds photograph, April 1912