History 669 Politics and government 519 Foreign relations 395 Military policy 213 Biography 187 Economic conditions 185 National security 185 International relations 149 Congresses 130 World War, 1939-1945 130 Armed Forces 126 Islam 118 World politics 117 United States 108 Management 101 Economic policy 97 Military art and science 94 Terrorism 90 Social conditions 86 Malaysia 78 Defenses 74 Campaigns 68 Leadership 64 War 64 Strategy 60 Foreign economic relations 57 Security, International 57 Economic aspects 56 Religious aspects 51 Air power 49