Google Arts and Culture
Memorandum from Arthur Griffith to de Valera on Ulster
open_in_newdocument, 8 November 1921
Decade of Centenaries timeline
Pro-treaty leaflet detailing some arguments about the anti-treaty supporters
leaflet, 15 June 1922
Decade of Centenaries timeline
Civilians in Belfast being searched by police
photograph, 13 March 1922
UCD Digital Library
Group of IFS Army soldiers firing artillery on the Four Courts
photograph, 28 June 1922
Documents on Irish Foreign Policy
Heads of agreement between the provisional government and the government of Northern Ireland
open_in_newdocument, 30 March 1922
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
Bureau of Military History
The Minister of Defence orders that the Convention be not held
newsletter, 31 March 1922

Bicycles, Barracks & Bandoliers
Memo regarding Catholic recruitment in the RUC and USC
memo, March 1922
Houses of Oireachtas
Dáil debates Treaty: Collins proposes a Provisional Government
open_in_newdebate, 3 January 1921
Google Arts and Culture
Instructions to Plenipotentiaries from Cabinet
open_in_newdocument, 7 October 1921
Flickr - NLI
Military carrying out official reprisal following an ambush in Meelin, Co. Cork
photograph, January 1921