Pictorial works History 83 World War, 1939-1945 30 Description and travel 17 Juvenile literature 15 Children's stories 13 Fighter planes 9 Campaigns 8 Social life and customs 8 Airplanes, Military 7 Malaysia 7 Biography 6 Chronology 6 Tanks (Military science) 6 Natural history 5 Politics and government 5 Tank warfare 5 War 5 Armed Forces 4 Equipment and supplies 4 Military history, Modern 4 Miscellanea 4 Submarines (Ships) 4 United States 4 Vehicles, Military 4 Vietnamese Conflict, 1961-1975 4 20th century 3 Aeronautics 3 Armored vehicles, Military 3 Battleships 3