Columbia subject headings:
Harvard subject headings:
Church and state--Rome.
Church history--Primitive and early church, ca. 30-600--Sources.
Persecution--History--Early church, ca. 30-600--Sources.
Rome--History--Empire, 30 B.C.-476 A.D.--Sources.
Princeton subject headings:
Church history--Primitive and early church, ca. 30-600--Sources.
Church history--Primitive and early church, ca. 30-600.