History Ireland Tit-for-tat: the War of Independence in the northern counties open_in_new article, 2012
BBC - Story of IrelandStory of Ireland: James Craig and the Catholic Minority open_in_new video clip, 2014
Bicycles, Barracks & BandoliersMemo regarding Catholic recruitment in the RUC and USC memo, March 1922
Decade of Centenaries timelinePeace vigil: groups of women and youths saying the rosary photograph, 1921
Hathi Trust Digital LibraryThe struggle of the Irish people. Address to the Congress of the United States book, January 1921