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