Doctrines Islam 869 Faith (Islam) 154 Religious life 124 Customs and practices 103 God (Islam) 90 Religious aspects 50 Sufism 47 History 38 Early works to 1800 37 Islamic ethics 35 Shi'ah 31 Islamic sects 30 Islamic law 27 Sunnites 26 Muslims 25 Essence, genius, nature 23 Conduct of life 21 Islam and state 18 Pillars of Islam 18 Islamic philosophy 15 Philosophy, Islamic 15 Eschatology, Islamic 14 Islam and reason 14 Attributes 13 Theology 13 Prayers and devotions 12 Taqlid 12 Islam and philosophy 11 Nurculuk 11