Columbia subject headings:
Sufism--Early works to 1800.
Harvard subject headings:
Qushayrī, ʻAbd al-Karīm ibn Hawāzin, 986-1072. ʻUyūn al-aǧwiba fī funūn al-as'ila.
Sufism--Early works to 1800
Princeton subject headings:
Sufism--Early works to 1800.