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
Google Arts and Culture
Memorandum from Arthur Griffith to de Valera on Ulster
open_in_newdocument, 8 November 1921
UCD Digital Library
Group of IFS Army soldiers firing artillery on the Four Courts
photograph, 28 June 1922
National Archives UK
Cabinet Memorandum. Ireland – Capture of Four Courts.
open_in_newdocument, 30 June 1922
History Ireland
Tit-for-tat: the War of Independence in the northern counties
open_in_newarticle, 2012
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
Correspondence between de Valera and Lloyd George
open_in_newdebate, 14 September 1921
Flickr - NLI
Military carrying out official reprisal following an ambush in Meelin, Co. Cork
photograph, January 1921
RTE Century Ireland
Between armed rebellion and democratic revolution: the Irish Question in 1917
open_in_newarticle, 2017
Flickr - NLI
The shell of the G.P.O. on Sackville Street after the 1916 Rising
photograph, May 1916
Irish Independent 1916 collection
Sixteen Nails in the Coffin – The Easter Rising
article, 2016
Decade of Centenaries timeline
John Redmond has ‘Second Thoughts’ about ‘Home Rule’
political cartoon, October 1913