Islam 61 Islam -- 33 Religious aspects -- 32 Classification -- 23 Library of congress 23 Qur'an -- 21 Conduct of life 18 more ... Customs and practices 15 Religious life -- 15 Criticism, interpretation, etc 14 Muslims -- 14 Classification, Library of Congress 12 Operating systems (Computers) 11 Hermeneutics 9 Doctrines 8 Computers 7 Death -- 7 Islamic ethics 7 Computer programs 6 English language -- 6 History 6 Kings and rulers 6 Medicine -- 6 Prayer -- 6 Islamic eschatology 5 Qur'anic teaching 5 Religious life 5 Business -- 4 Commentaries 4 Hadith -- 4 less ...