Keyes Papers. Vol. xvii. Correspondence with:
1. Lt-Gen. (afterwards Gen.) Sir Hastings Lionel Ismay (afterwards 1st Baron Ismay of Wormington), Chief of Staff to the Minister of Defence (1940-1945), Deputy Secretary (Military) to the War Cabinet (1940-1945); 1940-1942, n.d.
2. Adm. (afterwards Admiral of the Fleet) Sir John Donald Kelly, commanded HMS Princess Royal in the 1st Battle Cruiser Squadron (1917-1919), Rear-Adm. 4th Battle Squadron (Mediterranean) (1922-1923), 4th Sea Lord (1924-1927), Vice-Adm. commanding 1st Battle Squadron (1927-1929), Adm. commanding Reserves (1929-1931), C-in-C Atlantic Fleet (1931-1932), C-in-C Home Fleet (1932-1933), C-in-C Portsmouth (1934-1936); 1915-1933.
Admiral of the Fleet Roger John Brownlow Keyes, 1st Baron Keyes: Admiral of the Fleet Sir John Donald Kelly, GCB: Correspondence of Adm. of the Fleet Roger John Brownlow Keyes and Adm. of the Fleet Sir John Donald Kelly: 1915-1933.
Hastings Lionel Ismay, 1st Baron Ismay: Admiral of the Fleet Roger John Brownlow Keyes, 1st Baron Keyes: Correspondence of Adm. of the Fleet Roger John Brownlow Keyes and Hastings Lionel Ismay: 1940-1942, n.d.