Columbia subject headings:
Arab countries--Church history.
Christians--Arab countries.
Harvard subject headings:
Arab countries--Church history.
Christians--Arab countries.
Eastern churches--Doctrines--History.
Incarnation--Early works to 1800.
Incarnation--History of doctrines--Middle Ages, 600-1500.
Incarnation.
Theology--History--Middle Ages, 600-1500
Princeton subject headings: