Northern Ireland 1921-1925: a state of emergency
open_in_newYouTube - RTE
What role did sectarianism play in the creation of Northern Ireland?
video clip, 2021
British Academy
Political History of Northern Ireland since Partition
open_in_newArticle, 1999
RTE Century Ireland
Sinn Féin leaders arrested over alleged ‘German plot’
open_in_newarticle, 2018
Documents on Irish Foreign Policy
Extract from statement by Michael Collins on Northern Ireland policy
open_in_newdocument, 4 February 1922
Documents on Irish Foreign Policy
Michael Collins to James Craig (Belfast)
open_in_newletter, 27 April 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
Documents on Irish Foreign Policy
open_in_new
document, 23 January 1922
History Ireland
The Boundary Commission Debacle 1925, aftermath & implications
open_in_newarticle, 1996
Documents on Irish Foreign Policy
Notes of a conference with the Irish Boundary Commission
open_in_newdocument, 3 December 1925
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
Decade of Centenaries timeline
Members of the First Dáil at a meeting April 10th, 1919
photograph, 10 April 1919
Irish Independent 1916 collection
Sixteen Nails in the Coffin – The Easter Rising
article, 2016
RTE Century Ireland
Ireland’s Opportunity? The First World War & 1916
open_in_newarticle, 2016
Bodleian Library blog
100 years ago: Constitutional Crisis and the Parliament Act of 1911
open_in_newarticle, 2011