History 40 World War, 1939-1945 26 Dictionaries 16 Biography 11 Foreign relations 11 Politics and government 11 Armed Forces 10 Campaigns 9 Tanks (Military science) 7 Aerial operations 6 Encyclopedias 6 Handbooks, manuals, etc 6 Military art and science 5 Military history 5 Terrorism 5 United States 5 Armored vehicles, Military 4 Battles 4 Malay language 4 Malaysia 4 War 4 Weapon systems 4 Weapons systems 4 Aerial operations, British 3 Arms and armour 3 Army 3 English language 3 Firearms 3 Generals 3 History, Military 3