Keyes Papers. Vol. cxxiii. Enemy activity and Dover Patrol operations; Oct. 1916 – 13 April 1919.
1. Reports of enemy activity in the Dover Straits between Oct. 1916 and Feb. 1918; [aft. 27 Oct. 1916] – 21 March 1918.
2. Dover Patrol operations; 17 Jan. 1918– 13 April 1919. Contains reports on Dover Patrol operations, movement of transport ships in the Straits at night, signalling matters, fleet disposition, manpower and the size of the Dover Patrol, a list of German submarines sunk by the Dover Patrol, bombardment of the Belgian coast, movement orders, the number of torpedo craft in the Patrol, and a printed circular to the officers and men of the trawlers and drifters of the Dover Patrol on the disbanding of the Auxiliary Patrol. Also contains a table showing the ships taken to sea by Keyes.