Columbia subject headings:
Christianity and other religions--Greek.
Christianity and other religions--Roman.
Paganism.
Toleration.
Harvard subject headings:
Christianity and other religions--Greek
Christianity and other religions--Roman
Paganism.
Rome--Religion.
Princeton subject headings:
Christianity and other religions--Greek.
Christianity and other religions--Roman.
Church history--Primitive and early church, ca. 30-600.
Religious tolerance--Christianity--History.