Columbia subject headings:
Mysteries, Religious.
Mysticism.
Rome--Religion.
Harvard subject headings:
Cults--Rome
Mysteries, Religious.
Mysticism--Rome.
Pompeii (Extinct city)--Antiquities.
Rome (Italy)--Antiquities.
Rome--Civilization--Oriental influences.
Rome--Religion.
Princeton subject headings:
Mysteries, Religious.
Mysticism.
Rome--Religion.