Columbia subject headings:
Christian civilization.
Christian literature, Early--History and criticism.
Church history--Primitive and early church, ca. 30-600.
Rome--Civilization--Christian influences.
Harvard subject headings:
Christian civilization.
Christian literature, Early--History and criticism.
Church history--Primitive and early church, ca. 30-600
Paganism.
Rome--Civilization--Christian influences
Princeton subject headings:
Christian literature, Early--History and criticism.
Christianity and other religions--Roman.
Church history--Primitive and early church, ca. 30-600.
Rome--Religion.