Columbia subject headings:
Bible--Criticism, interpretation, etc.--History--Middle Ages, 600-1500.
Byzantine Empire--Church history.
Orthodox Eastern Church--History.
Harvard subject headings:
Bible--Criticism, interpretation, etc.--History--Middle Ages, 600-1500--Congresses.
Byzantine Empire--Church history--Congresses.
Orthodox Eastern Church--History--Congresses.
Princeton subject headings: