Columbia subject headings:
Persian poetry.
ʻAlī al-Riḍā ibn Mūsá, -818 or 819--In literature.
Harvard subject headings:
ʻAlī al-Riḍā ibn Mūsá, -818 or 819--In literature.
Princeton subject headings:
ʻAlī al-Riḍā ibn Mūsá, -818 or 819--In literature.