UCD History HubArthur Griffith, Sinn Fein and the IRB (The Irish Revolution Lecture 3) podcast, 2014
National Archives UKLetter from Lloyd George inviting Craig and de Valera to a conference open_in_new document, 24 June 1921
Decade of Centenaries timelineIrish Delegation travels to London July 1921 photograph, July 1921
Google Arts & CultureWar News No.3- Anti-Treaty Newsletter open_in_new newsletter, 30 June 1922