Decade of Centenaries timelineUnionist Clubs and Orangemen en route to Balmoral Showgrounds photograph, April 1912
UCD History HubArthur Griffith, Sinn Fein and the IRB (The Irish Revolution Lecture 3) podcast, 2014
National Archives UKLetter from Sir James Craig to the Prime Minister open_in_new document, 29 July 1921