Armored vehicles, Military 63 History 33 Tanks (Military science) 27 Arms and armor 16 Armor 13 Tank warfare 12 Armored troops 9 World War, 1939-1945 9 Juvenile literature 6 Identification 5 Periodicals 5 Thesis 5 Armed Forces 4 Arms and Armor 4 Artillery, self-propelled 4 Campaigns 4 Encyclopedias 4 Ordnance 4 Pictorial works 4 Tanks 4 Weapon systems 4 Weapons 4 Armored vessels 3 Design and construction 3 Dissertations, Academic 3 Handbooks, manuals, etc 3 Mechanization, Military 3 Vehicles, Military 3 Weapons systems 3 Armored personnel carriers 2