Columbia subject headings:
Harvard subject headings:
Imams (Shiites)
Islamic etiquette--Iran--Mashhad.
Mosque etiquette--Iran--Mashhad.
Muḥammad, Prophet, -632--Family.
Muslim pilgrims and pilgrimages--Iran--Mashhad.
Shīʻah--Iran--Customs and practices.
ʻAlī al-Riḍā ibn Mūsá, -818 or 819--Prayers and devotions.
ʻAlī al-Riḍā ibn Mūsá, -818 or 819--Shrines--Iran--Mashhad.
Princeton subject headings:
Mahdī, Muḥammad ibn al-Ḥasan, 869-
Shīʻah--Doctrines.
Ziyārat al-jāmiʻah al-kabīrah.