History 842 Politics and government 192 World War, 1939-1945 153 Biography 117 Foreign relations 97 Military history, Modern 97 World politics 88 Islam 82 History, Military 63 Military art and science 61 United States 55 Campaigns 48 Military policy 44 Armed Forces 42 World War, 1914-1918 40 History, Modern 35 Great Britain 34 War 31 Strategy 29 Social conditions 26 Terrorism 26 International relations 25 Congresses 22 Military intelligence 21 Arms race 19 Cold War 19 Communism 19 Economic conditions 19 Equipment and supplies 19 Islam and politics 19 Germany 18 History and criticism 18 Intelligence service 18 Juvenile literature 18 Sources 18 20th century 17 Political aspects 17 Soldiers 17 Military relations 16 Naval operations 16 Social aspects 16 Case studies 15 Nationalism 15 Warships 15 Air power 14 Civilization 14 Presidents 14 Relations 14 Sea-power 14 Secret service 14 Insurgency 13 Middle East 13 National security 13 Encyclopedias 12 Military weapons 12 Naval art and science 12 Political activity 12 Revolutions 12 Battles 11 Ethnic relations 11 Fiction 11 Leadership 11 Pictorial works 11 Prime Ministers 11 history 11 Army 10 Generals 10 History, Naval 10 Islamic countries 10 Military planning 10 Naval history, Modern 10 Philosophy 10 Special forces (Military science) 10 Technological innovations 10 War (International law) 10 Women 10 Airplanes, Military 9 Dictionaries 9 Espionage 9 Islamic fundamentalism 9 Nuclear weapons 9 War and society 9 Artillery 8 Defenses 8 Economic aspects 8 Equipment 8 Government policy 8 Intellectual life 8 Military doctrine 8 Military history 8 Psychological aspects 8 Public opinion 8 Security, International 8 Strategic aspects 8 World war, 1939-1945 8 Air warfare 7 Art, Modern 7 Civil-military relations 7 Colonies 7 Counterinsurgency 7