History HubDiarmaid Ferriter discusses the Anglo Irish Treaty (Full Interview) video clip, 2020
Decade of Centenaries timelineFire fighters extinguishing the flames, Messrs. William Campbell & Co photograph, 22 May 1922
UCD Digital LibraryGroup of IFS Army soldiers firing artillery on the Four Courts photograph, 28 June 1922
National Archives UK Cabinet Memorandum. The Irish Situation. open_in_new document, 30 May 1922