Down County Museum
Downpatrick Sinn Féin monster demonstration
poster, 1919
National Archives UK
Letter from Lloyd George inviting Craig and de Valera to a conference
open_in_newdocument, 24 June 1921
National Archives UK
Irish Settlement: Proposals of the British government
open_in_newdocument, 20 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