UCD History HubArthur Griffith, Sinn Fein and the IRB (The Irish Revolution Lecture 3) podcast, 2014
RTE Century Ireland Introducing de Valera – The East Clare by-election and the rise of an Irish political leader open_in_new article, 2017
History HubDiarmaid Ferriter discusses the Anglo Irish Treaty (Full Interview) video clip, 2020
Decade of Centenaries timelineIrish Delegation travels to London July 1921 photograph, July 1921
National Archives UK Cabinet Memorandum. The Irish Situation. open_in_new document, 30 May 1922