Hadith Authorities 20 Selections, extracts, etc 17 Criticism, interpretation, etc 14 Authorities Criticism, interpretation, etc 12 Evidences, authority, etc 5 Islamic law 5 Contributions in Hadith studies 4 Hermeneutics 4 Sources 4 Commentaries 3 Forgeries 3 Islam 3 Ahl al-Sunnah wa-al-Jama'ah 2 Apologetic works 2 Commentaries Methodology 2 Hadith (Shiites) 2 Language, style 2 Muslims 2 Qur'an 2 Religious aspects Islam 2 Study and teaching 2 Sunnah 2 Ahmadiyya 1 Arabic language 1 Astronomy, Islamic 1 Bid'ah 1 Calendar, Gregorian 1 Calendar, Islamic 1 Caliphate 1