Islam 208 History 177 Biography 78 English language 74 Politics and government 72 Religious aspects 69 Management 68 Leadership 54 World War, 1939-1945 54 Customs and practices 48 Success 43 Airplanes 41 Aeronautics 35 Conduct of life 34 Grammar 33 Economic conditions 31 Foreign relations 31 Malaysia 31 Campaigns 28 Doctrines 28 Airplanes, Military 26 Religious life 26 Criticism, interpretation, etc 25 Dictionaries 25 Handbooks, manuals, etc 23 Motivation (Psychology) 23 Hadith (shiites) 22 Putity, ritual 22 Study and teaching 22 Economic policy 21