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

Bicycles, Barracks & Bandoliers
Memo regarding Catholic recruitment in the RUC and USC
memo, March 1922
Hathi Trust Digital Library
The struggle of the Irish people. Address to the Congress of the United States
book, January 1921
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
RTE Century Ireland
Between armed rebellion and democratic revolution: the Irish Question in 1917
open_in_newarticle, 2017
RTE Century Ireland
Rebel leader Thomas Ashe arrested for inflammatory speech
open_in_newarticle, 2017
Decade of Centenaries timeline
John Redmond has ‘Second Thoughts’ about ‘Home Rule’
political cartoon, October 1913