Hadith Islam 75 Criticism, interpretation, etc 44 Islamic law 42 Customs and practices 37 Texts 36 Sources 33 Religious life 12 Doctrines 10 Sunna 10 Conduct of life 8 Koran 8 Commentaries 7 Muslims 7 Prayer 7 Collections 6 Critism, interpretation, etc 5 History 5 Interpretation and construction 5 Evidences, authority, etc 4 Hermeneutics 4 Religious aspects 4 Authorities 3 Hadith (Shiites) 3 Punishment (Islamic law) 3 Study and teaching 3 Collected works 2 Critism, interpretation,etc 2 Da'wah (Islam) 2 Early works to 1500 2