BBC Youtube
BBC’s: The Story of Ireland – Age of Nations
TV programme, 2012
Google Arts and Culture
Memorandum from Arthur Griffith to de Valera on Ulster
open_in_newdocument, 8 November 1921
Houses of Oireachtas
Dáil debates Treaty: Collins proposes a Provisional Government
open_in_newdebate, 3 January 1921
National Portrait Gallery
The Mad Bull (James Craig, 1st Viscount Craigavon; Michael Collins)
cartoon, 15 February 1922
National Archives UK
Cabinet Memorandum – Ireland (Draft Constitution)
open_in_newdocument, 1 June 1922