National security 644 Politics and government 307 History 295 Foreign relations 209 Military policy 188 Nationalism 182 Armed Forces 167 Thesis 158 Congresses 111 Dissertations, Academic 110 United Nations 104 World politics 101 Defenses 95 Economic conditions 95 Terrorism 82 Security, International 81 International relations 73 Prevention 59 United States 57 Strategic aspects 56 Economic policy 50 Government policy 50 Peacekeeping forces 49 Biography 47 Malaysia 38 Case studies 34 Strategy 34 Military relations 33 Ethnic relations 32 Juvenile literature 32