Columbia subject headings:
Abū Yazīd Bisṭāmī, Ṭayfūr ibn ʻĪsá, -874?
Mysticism--Islam.
Sufis--Biography.
Sufism.
Harvard subject headings:
Abū Yazīd Bisṭāmī, Ṭayfūr ibn ʻĪsá, -874?
Mysticism--Islam
Sufis--Biography
Sufism.
Princeton subject headings:
Abū Yazīd Bisṭāmī, Ṭayfūr ibn ʻĪsá, -874?
Mysticism--Islam.
Sufis--Biography.
Sufism.