1. Headlam‐Morley, Sir James. 1972.A Memoir of the Paris Peace Conference 1919, Edited by: Headlam‐Morley, Agnes, Bryant, Russell and Cienciala, Anna. 81–2. London: Methuen.
2. Some Relevant Historians-the Political Intelligence Department of the Foreign Office, 1918-1920
3. The Foreign Office and political intelligence 1918–1920
4. 1991.Winning the Peace: British Diplomatic Strategy, Peace Planning, and the Paris Peace Conference 1916–1920, 57–89. Oxford: Oxford University Press.
5. Headlam‐Morley, J.W. 1915.The History of Twelve Days, viiix–xii. xiv–xv. London: T. Fisher Unwin.