Small Arms Training. Volume I, Pamphlet N°. 7, .303-inch Machine Gun, Part III. - Fire Control, 1939. - Engeland Voorschrift Small Arms Training. Volume I, Pamphlet N°. 7, .303-inch Machine Gun, Part III.-Fire Control, 1942. - Engeland Voorschrift Working Instructions. Wireless Remote Control Units H (S.R.D.E). WO 1042 - Engeland Voorschrift
