Early works to 1800 Dissertations, Academic 35 Dissertations 34 Hadith 14 Islam 12 Islamic law 9 Arabic language 8 Criticism, interpretation, etc 6 Doctrines 6 Interpretation and construction 6 Sufism 6 Language, style 5 Commentaries 4 Islamic ethics 4 Authorities 3 Criticism and interpretation 3 Hanbalites 3 History 3 Islamic philosophy 3 Logic 3 Religious life 3 Astronomy 2 Contributions in logic 2 Evidences, authority, etc 2 God (Islam) 2 Grammar 2 Knowledge, Theory of 2 Mysticism 2 Philosophy, Islamic 2 Readings 2