Northern Ireland 1921-1925: a state of emergency
open_in_newNational Archives UK
Letter from Sir James Craig to the Prime Minister
open_in_newdocument, 29 July 1921
National Archives
Home Rule : Government of Ireland Amendment Bill
open_in_newdocument, 23 April 1918

Bicycles, Barracks & Bandoliers
Memo regarding Catholic recruitment in the RUC and USC
memo, March 1922
Hansard
Government of Ireland Bill Debate – Chief Secretary of Ireland
open_in_newdebate, 29 March 1920
Flickr - NLI
Military carrying out official reprisal following an ambush in Meelin, Co. Cork
photograph, January 1921
Decade of Centenaries timeline
Sir Edward Carson’s souvenir parchment of the Ulster Covenant
document, 28 September 1912