Northern Ireland 1921-1925: a state of emergency
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 UK
Letter from Lloyd George inviting Craig and de Valera to a conference
open_in_newdocument, 24 June 1921