UCD History HubArthur Griffith, Sinn Fein and the IRB (The Irish Revolution Lecture 3) podcast, 2014
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
Google Arts and CultureMemorandum from Arthur Griffith to de Valera on Ulster open_in_new document, 8 November 1921
National Archives UK Cabinet Memorandum – Ireland (Draft Constitution) open_in_new document, 1 June 1922