YouTube - RTEWhy did Edward Carson not become Northern Ireland’s Prime Minister? video clip, 2021
Decade of Centenaries timelineIrish Delegation travels to London July 1921 photograph, July 1921
National Archives UKLetter from Sir James Craig to the Prime Minister open_in_new document, 29 July 1921
Google Arts and CultureInstructions to Plenipotentiaries from Cabinet open_in_new document, 7 October 1921