Columbia subject headings:
International Seminar on the Religio-Historical Character of Roman Mithraism, with Particular Reference to Roman and Ostian Sources (1978 : Rome, Italy)
Mithraism--Congresses.
Rome--Religion--Congresses.
Harvard subject headings:
Mithraism--Congresses.
Mysteries, Religious--Congresses.
Princeton subject headings:
Mithraism--Congresses.
Rome--Religion--Congresses.