Columbia subject headings:
Abū Ḥayyān al-Tawḥīdī, ʻAlī ibn Muḥammad, active 10th century.
Authors, Arab--Biography.
Muslim scholars--Biography.
Harvard subject headings:
Abū Ḥayyān al-Tawḥīdī, ʻAlī ibn Muḥammad, active 10th century--Biography.
Authors, Arab--Biography.
Muslim scholars--Biography.
Princeton subject headings: