Literature Spirituality │ │ Islam-related Religious texts ┌───────────┼───────────┐ │ Islamic Non-Islamic Critical │ │ │ ┌──┴────┬───────┬───────────────────────────────┤ Sunni Shia Sufi Islamic texts │ │ │ ┌────────────────┴───────────┐ Fiqh Fiqh Poetry Hadith Quran ┌──────┴──────┐ ┌─────┴────┐ Ilm ar-Rijal Collections Tafsir Surahs ┌───┴───┐ ┌───┴───┐ │ Sunni Shia Sunni Shia Ayat