The Irish Times
open_in_new
article, 2018
National Archives UK
Letter from Sir James Craig to the Prime Minister
open_in_newdocument, 29 July 1921
Google Arts and Culture
Memorandum from Arthur Griffith to de Valera on Ulster
open_in_newdocument, 8 November 1921
National Archives UK
Cabinet Memorandum – Ireland (Draft Constitution)
open_in_newdocument, 1 June 1922