Columbia subject headings:
Christian sociology--History--Early church, ca. 30-600.
Church history--Primitive and early church, ca. 30-600.
Harvard subject headings:
Christian sociology--History--Early church, ca. 30-600.
Christian sociology--Primitive and early church, ca. 30-600.
Church history--Primitive and early church, ca. 30-600
Church history--Primitive and early church, ca. 30-600.
Princeton subject headings:
Christian sociology--History--Early church, ca. 30-600.
Church history--Primitive and early church, ca. 30-600.