Columbia subject headings:
Byzantine literature--History and criticism.
Christian literature, Early.
Church history--Middle Ages, 600-1500.
Church history--Primitive and early church, ca. 30-600.
Conversion--Christianity--History--To 1500.
Harvard subject headings:
Byzantine literature--History and criticism.
Christian literature, Early.
Church history--Middle Ages, 600-1500
Church history--Primitive and early church, ca. 30-600
Conversion--Christianity--History--To 1500.
Princeton subject headings:
Byzantine literature--History and criticism.
Christian literature, Early.
Church history--Middle Ages, 600-1500.
Church history--Primitive and early church, ca. 30-600.
Conversion--Christianity--History--To 1500.