History 5,232 Islam 3,859 Politics and government 2,816 Biography 1,780 Foreign relations 1,705 Management 1,480 Religious aspects 1,403 World War, 1939-1945 1,289 Leadership 874 Economic conditions 858 English language 778 Terrorism 761 Military policy 650 Customs and practices 639 United States 638 Armed Forces 635 Campaigns 617 Juvenile literature 616 World politics 610 Religious life 608 Congresses 598 International relations 580 Conduct of life 569 Study and teaching 562 Social conditions 525 National security 506 Doctrines 496 Case studies 490 Malaysia 487 Malay fiction 460