National Portrait Gallery
The Mad Bull (James Craig, 1st Viscount Craigavon; Michael Collins)
cartoon, 15 February 1922
History Hub
Diarmaid Ferriter discusses the Anglo Irish Treaty (Full Interview)
video clip, 2020
The Origins of Northern Ireland
,
YouTube - RTE
What role did sectarianism play in the creation of Northern Ireland?
video clip, 2021
Houses of Oireachtas
Cmdt. Sean O’Hegarty addresses Dáil Éireann
open_in_newspeech, 3 May 1922
Houses of Oireachtas
De Valera’s alternative to the Treaty
open_in_newdebate, 15 December 1921
Houses of Oireachtas
The National Situation – Cmdt. Seán O’Hegarty
open_in_newspeech, 3 May 1922
Houses of Oireachtas
Dáil Debate: executions of four IRA leaders
open_in_newspeech, 8 December 1922
Decade of Centenaries timeline
Fire fighters extinguishing the flames, Messrs. William Campbell & Co
photograph, 22 May 1922
Decade of Centenaries timeline
Civilians in Belfast being searched by police
photograph, 13 March 1922
National Archives UK
Cabinet Memorandum. The Irish Situation.
open_in_newdocument, 30 May 1922
History Ireland
Tit-for-tat: the War of Independence in the northern counties
open_in_newarticle, 2012
History Ireland
The Boundary Commission Debacle 1925, aftermath & implications
open_in_newarticle, 1996
National Archives UK
Irish Settlement: Proposals of the British government
open_in_newdocument, 20 July 1921
Google Arts & Culture
War News No.3- Anti-Treaty Newsletter
open_in_newnewsletter, 30 June 1922

Bicycles, Barracks & Bandoliers
Memo regarding Catholic recruitment in the RUC and USC
memo, March 1922
Houses of Oireachtas
Election of new president of Dáil Éireann
open_in_newdebate, 10 January 1922
Houses of Oireachtas
Dáil debates Treaty: Eamon de Valera resigns
open_in_newdebate, 9 January 1922
Google Arts and Culture
Instructions to Plenipotentiaries from Cabinet
open_in_newdocument, 7 October 1921
Houses of Oireachtas
Correspondence between de Valera and Lloyd George
open_in_newdebate, 14 September 1921
Hathi Trust Digital Library
The struggle of the Irish people. Address to the Congress of the United States
book, January 1921