National Archives UK
Letter from Lloyd George inviting Craig and de Valera to a conference
open_in_newdocument, 24 June 1921
National Archives UK
Letter from Sir James Craig to the Prime Minister
open_in_newdocument, 29 July 1921
Houses of Oireachtas
Correspondence between de Valera and Lloyd George
open_in_newdebate, 14 September 1921