Columbia subject headings:
Byzantine Empire.
Fathers of the church.
Laga, Carl--Bibliography.
Harvard subject headings:
Byzantine Empire
Christian literature, Early--History and criticism.
Church history--Middle Ages, 600-1500
Church history--Primitive and early church, ca. 30-600
Fathers of the church.
Laga, Carl--Bibliography.
Laga, Carl.
Princeton subject headings:
Byzantine Empire.
Fathers of the church.
Laga, Carl--Bibliography.