Papers relating to his service in Hedjaz (Hejaz), 1916-1919, dated 1916-1919, 1936, 1963, 1939, 1941, 1963, 1965, principally comprising official correspondence relating to operations against the Turks in Hedjaz, 1916-1918, and supplies and stores for bases at Rabegh, Wedj, Yenbo, Akaba and Abu Lissal, 1916-1918, and including letters to and from Thomas Edward Lawrence (laterShaw), Col Cyril Edward Wilson, Gen Sir Gilbert Falkingham Clayton, and Lt Col Alan Geoffrey Charles; correspondence and notes concerning the meeting between Emir Feisal (later Feisal I, King of Iraq) and Dr Chaim Weizmann on 4 Jun 1918, dated [1918] and 1963;typescript text on the history and future of the Arab movement, [1919]; scripts concerning his service with Lawrence in Hedjaz, 1916-1918, written for television broadcasts in 1939 and 1941; official reports on bomb attacks on the Hedjaz railway by X Flight and No14 Sqn personnel, 1917-1918; official reports of reconnaissance flights by X Flight and No 14 Sqn, 1917-1918; diary by Capt H S Hornby describing raids on the Hedjaz railway, May 1917 and May 1918; account by Lt Col Frederick Gerard Peake of Turkish attack on Tafas,Sep 1918, dated 1965.