Columbia subject headings:
Islam--Creeds--Early works to 1800.
Sufism--Controversial literature--Early works to 1800.
Harvard subject headings:
Islam--Creeds--Early works to 1800.
Sufism--Controversial literature--Early works to 1800.
Sufism--Early works to 1800
Princeton subject headings:
Ibn Taymīyah, Aḥmad ibn ʻAbd al-Ḥalīm, 1263-1328. ʻAqīdah al-wāsiṭīyah.
Islam--Doctrines--Early works to 1800.