History 28 Biography 17 Politics and government 16 Islam 12 Foreign relations 9 Heroes 9 Management 9 Armed Forces 8 Religious aspects 7 Dictionaries 5 Leadership 5 World War, 1939-1945 5 Army 4 English language 4 Malay fiction 4 Study and teaching 4 Armies 3 Health aspects 3 Malay language 3 Prime Ministers 3 Soldiers 3 Strategy 3 Textbooks for foreign speaker 3 Vietnamese Conflict, 1961-1975 3 Botany, Medical 2 Campaigns 2 Communism 2 Conduct of life 2 Counseling 2 Creative thinking 2