Small Arms Training. Volume I, Pamphlet N°. 7, .303-inch Machine Gun, Part III. - Fire Control, 1939. - Engeland Voorschrift Machine Gun Handbook. (Technical). Volume I, Pamphlet no. 1. Vickers.303 inch and 5 inch Machine Guns and Appurtenances. WO 888 - Engeland Voorschrift 26/Publications/3431 Instruction for Armourers 1931. Supplement no.2. Guns, Machine, Bren.303-inch. Mark I. Mountings, Tripod, Bren .303-inch. M.G, Mark I and accesories. WO 680 - Engeland Voorschrift … Small Arms Training. Volume I, Pamphlet No. 7, .303-inch Machine Gun, Part I.- Mechanical Subjects, 1941 - Engeland Voorschrift Small Arms Training. Volume I, Pamphlet N°. 7, -303-inch Machine Gun, Partr II. - Training.1944 - Engeland Voorschrift Small Arms Training. Volume I, Pamphlet N°. 7, .303-inch Machine Gun, Part III.-Fire Control, 1942. - Engeland Voorschrift