Columbia subject headings:
Harvard subject headings:
Abū Yazīd Bisṭāmī, Ṭayfūr ibn ʻĪsá, -874?
Basṭām (Iran)--History.
Sufis--Iran--Biography
Princeton subject headings:
Abū Yazīd Bisṭāmī, Ṭayfūr ibn ʻĪsá, -874?
Basṭām (Iran)--History.
Sufis--Iran--Biography.