Islam Islam -- Religious aspects -- 429 Customs and practices 293 Religious life -- 248 Doctrines 212 Economic aspects 184 more ... Economics -- 184 Prayer -- 126 Relations -- 88 Christianity 74 Christianity and other religions -- 68 Prayers and devotions 55 Conduct of life 54 Muslims -- 49 Islamic ethics 40 Banks and banking -- 30 History 28 Relations 22 Sufism 22 Judaism 20 Essence, genius, nature 19 Judaism -- 19 Psychology 18 Hadith -- 17 Da'wah (Islam) 16 Criticism, interpretation, etc 15 Early works to 1800 15 Business -- 14 Islamic law 14 less ...