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
National Portrait Gallery
The Mad Bull (James Craig, 1st Viscount Craigavon; Michael Collins)
cartoon, 15 February 1922
Documents on Irish Foreign Policy
Extract from statement by Michael Collins on Northern Ireland policy
open_in_newdocument, 4 February 1922
National Archives UK
Cabinet Memorandum – Ireland (Draft Constitution)
open_in_newdocument, 1 June 1922