History 1,937 Politics and government 1,682 Foreign relations 1,665 Thesis 862 Economic conditions 761 Terrorism 709 Armed Forces 674 Military policy 660 International relations 623 Dissertations, Academic 595 National security 567 World politics 552 Law and legislation 484 Congresses 455 Economic policy 434 United States 420 Military art and science 419 Biography 388 Social conditions 375 Malaysia 363 Juvenile literature 348 Case studies 338 Prevention 318 Education 308 Security, International 295 War 289 Leadership 257 Islam 245 Defenses 223 Economic aspects 222