Columbia subject headings:
Church history--Primitive and early church, ca. 30-600.
Rome (Italy)--Church history.
Rome (Italy)--History--To 476.
Rome (Italy)--Religion.
Rome (Italy)--Social conditions.
Social history--To 500.
Social structure--Rome.
Harvard subject headings:
Church history--Primitive and early church, ca. 30-600
Church history--Primitive and early church, ca. 30-600.
Rome (Italy)--Church history.
Rome (Italy)--Social life and customs.
Rome--Social life and customs.
Princeton subject headings: