Columbia subject headings:
Harvard subject headings:
Imams (Shiites)--Biography.
Medicine, Medieval
ʻAlī al-Riḍā ibn Mūsá, -818 or 819
Princeton subject headings:
Imams (Shiites)--Biography.
Medicine, Medieval.
ʻAlī al-Riḍā ibn Mūsá, -818 or 819.