Columbia subject headings:
Astronomical observatories--Iran--Marāghah--History.
Astronomy--Iran--History.
Raṣadkhānah-i Marāghah.
Harvard subject headings:
Astronomy--Iran--History.
Excavations (Archaeology)--Iran--Marāghah.
Raṣadkhānah-i Marāghah
Princeton subject headings:
Astronomical observatories--Iran--Marāghah--History.
Astronomy--Iran--History.
Raṣadkhānah-i Marāghah.