National Archives UK
Cabinet Memorandum. Ireland – Capture of Four Courts.
open_in_newdocument, 30 June 1922
National Archives UK
Irish Settlement: Proposals of the British government
open_in_newdocument, 20 July 1921
Houses of Oireachtas
Correspondence between de Valera and Lloyd George
open_in_newdebate, 14 September 1921