Columbia subject headings:
Sufism--History.
Ḥallāj, al-Ḥusayn ibn Manṣūr, 858 or 9-922 Ṭawāsīn.
Harvard subject headings:
Ḥallāj, al-Ḥusayn ibn Manṣūr, 858 or 859-922. Ṭawāsīn
Sufism--History
Princeton subject headings:
Ḥallāj, al-Ḥusayn ibn Manṣūr, 858 or 9-922.
Sufism--History.