Columbia subject headings:
Church history--Primitive and early church, ca. 30-600.
Philosophy, Ancient--History.
Theology, Doctrinal.
Harvard subject headings:
Church history--Primitive and early church, ca. 30-600
Philosophy, Ancient--History.
Theology, Doctrinal.
Princeton subject headings:
Church history--Primitive and early church, ca. 30-600.
Philosophy, Ancient--History.
Theology, Doctrinal.