National Portrait Gallery
The Mad Bull (James Craig, 1st Viscount Craigavon; Michael Collins)
cartoon, 15 February 1922
National Archives UK
Irish Settlement: Proposals of the British government
open_in_newdocument, 20 July 1921
National Archives
Application of Military Service Act to Ireland
open_in_newdocument, 26 March 1918

Bicycles, Barracks & Bandoliers
Memo regarding Catholic recruitment in the RUC and USC
memo, March 1922
Flickr - NLI
Military carrying out official reprisal following an ambush in Meelin, Co. Cork
photograph, January 1921
Decade of Centenaries timeline
Ballytrain RIC barracks captured and sacked by the IRA.
photograph, 1920
Decade of Centenaries timeline
Ireland’s Solemn League and Covenant: Anti-conscription protest form
document, April 1918
RTE Century Ireland
Between armed rebellion and democratic revolution: the Irish Question in 1917
open_in_newarticle, 2017
Decade of Centenaries timeline
John Redmond has ‘Second Thoughts’ about ‘Home Rule’
political cartoon, October 1913