B-17 Flying Fortress (Ballantine's Illustrated History of the Violent Century : Weapons Book No. 40)

German Armor (Ballantine's Illustrated History of the Violent Century, Weapons Book No. 41)

P-51: Bomber Escort

Grenades and Mortars (Weapons Book no. 37 )

Midget Submarine (Ballantine's Illustrated History of the Violent Century, Weapons Book No. 42)