Decade of Centenaries timelineBallytrain RIC barracks captured and sacked by the IRA. photograph, 1920
History Ireland Tit-for-tat: the War of Independence in the northern counties open_in_new article, 2012
History HubDiarmaid Ferriter discusses the Anglo Irish Treaty (Full Interview) video clip, 2020
National Portrait GalleryThe Mad Bull (James Craig, 1st Viscount Craigavon; Michael Collins) cartoon, 15 February 1922
Houses of OireachtasThe National Situation – Cmdt. Seán O’Hegarty open_in_new speech, 3 May 1922