Columbia subject headings:
Christianity--Rome.
Church history--Middle Ages, 600-1500.
Church history--Primitive and early church, ca. 30-600.
Conversion--Christianity--History.
Paganism--History.
Harvard subject headings:
Christianity--Rome.
Church history--Middle Ages, 600-1500
Church history--Primitive and early church, ca. 30-600
Church history--Primitive and early church, ca. 30-600.
Conversion--Christianity--History.
Paganism--History.
Princeton subject headings:
Christianity--Rome.
Church history--Middle Ages, 600-1500.
Church history--Primitive and early church, ca. 30-600.
Conversion--Christianity--History.
Paganism--History.