English master of arms : from the twelfth to the twentieth century / J.D. Aylward manuals of emergency legislation Defence of the Realm Manual / ed. by Alexander Pulling machine gunners handbook : including the Vickers and Lewis automatic machine guns / J. Bostock Handbook of artillery instruments and range-finders Handbook of artillery instruments and range-finders / The War Office : Part 1 Artillery Training Tank training Protection against gas and air raids : pamphlet No. 3 : passive air defence / The War Office Field service regulations Directions for the use of artillery instruments Artillery training / War Office Infantry training : Training / War Office