Islam Doctrines 260 Sufism 90 Religious life 76 Islamic philosophy 53 Religious aspects 53 Customs and practices 45 more ... Islamic ethics 45 Hadith 44 RELIGION 44 God (Islam) 40 Interfaith relations 32 Relations 32 General 30 History 30 Islamic law 30 Philosophie islamique 30 Soufisme 30 Criticism, interpretation, etc 28 Mysticism 27 Christianity 25 Prayer 22 Early works to 1800 21 Islamic sects 21 Muslims 20 Christianity and other religions 19 Interpretation and construction 17 Controversial literature 16 Morale islamique 16 Conduct of life 15 less ...