Criticism, interpretation, etc Hadith Islam 40 Authorities 34 Dissertations, Academic 29 Dissertations 27 Religious aspects 26 Islamic law 25 Commentaries 21 Texts 14 Interpretation and construction 11 Early works to 1800 9 Sources 9 Evidences, authority, etc 7 Collected works 6 Muslims 6 Criticism, Textual 5 Forgeries 5 Authorities Criticism, interpretation, etc 4 Doctrines 4 Medicine 4 Religious aspects Islam 4 Religious life 4 Selections, extracts, etc 4 Study and teaching 4 Sufism 4 Sunnah 4 Customs and practices 3 Da`wah (Islam) 3 Fatwas 3