Columbia subject headings:
Harvard subject headings:
Christianity and culture--History--Early church, ca. 30-600.
Christianity and other religions--Greek
Christianity and other religions--Roman
Church history--Primitive and early church, ca. 30-600
Princeton subject headings:
Christianity and culture--History--Early church, ca. 30-600.
Christianity and other religions--Greek.
Christianity and other religions--Roman.
Church history--Primitive and early church, ca. 30-600.