YouTube - RTEWhy did Edward Carson not become Northern Ireland’s Prime Minister? video clip, 2021
Documents on Irish Foreign Policy The Collins – Craig agreement open_in_new document, 23 January 1922
Documents on Irish Foreign PolicyHeads of agreement between the provisional government and the government of Northern Ireland open_in_new document, 30 March 1922
History Ireland The Boundary Commission Debacle 1925, aftermath & implications open_in_new article, 1996