Materiel instruction memorandum : The Firing Battery 155mm Gun M1 Ack-ack : with gun and searchlight crews at work and play Op de schoolbanken in het P.D.A. : wat ik heb ervaren en geleerd in het concentratie-kamp te Amersfoort januari-april 1942 / door C.P. Gunning ballantine's illustrated history of world war ii. weapens books guns : 1939/45 / [by] Ian V. Hogg world war 2 fact files Machine guns / Peter Chamberlain and Terry Gander world war 2 fact files Self-propelled anti-tank and anti-aircraft guns / [by] Peter Chamberlain and John Milsom world war 2 fact files Sub-machine guns and automatic rifles / Peter Chamberlain and Terence John Gander