YouTube - RTEWhy did Edward Carson not become Northern Ireland’s Prime Minister? video clip, 2021
National Archives UKLetter from Sir James Craig to the Prime Minister open_in_new document, 29 July 1921
National Archives Home Rule : Government of Ireland Amendment Bill open_in_new document, 23 April 1918
HansardGovernment of Ireland Bill Debate – Chief Secretary of Ireland open_in_new debate, 29 March 1920