Modern guns and gunnery 1910 : a practical manual for officiers of the horse, field and mountain artillery / H.A. Bethell Belgian rattlesnake : the Lewis automatic machine gun : a social and technical biography of the gun and its inventors / by William M. Easterly … 40mm Bofors gun / Terry J. Gander Specification of tests of barrels for 57-mm gun / Aktiebolaget Bofors fighting forces series Rifles and machine guns of the world's armies / by Melvin Maynard Johnson ; ill. by Elmer H. Pratt Zap! ray gun classics / Leslie Singer Men, women, and guns / by Sapper Naar grooter Nederland" / door C.P. Gunning ; met een woord vooraf van A.C.D. de Graeff Text book of ballistics and gunnery : Theoretical principles of gun construction Machine gun manual : a complete manual to machine gunnery containing details of Maxim Vickers Lewis Colt Hotchkiss together with Drill (elementary and advanced) : … Thompson submachine gun, model 1928 .45 calibra machine gun : a modern survey / Terry Gander