Peace by Ordeal: How the Treaty was signed
open_in_newHistory Ireland
Tit-for-tat: the War of Independence in the northern counties
open_in_newarticle, 2012
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
National Museums Ireland
The last letter written by Seán Mac Diarmada (Sean MacDermott)
letter, 11 May 1916
dippam
Royal Commission on Arrest and subsequent treatment of Mr. Francis Sheehy Skeffington
open_in_newdocument, August 1916