Columbia subject headings:
Harvard subject headings:
Arabs--History--To 622
Arabs--Rome.
Church history--Primitive and early church, ca. 30-600
Europe--Civilization--Arab influences.
Middle East--History--To 622.
Middle East--Relations--Rome.
Rome--Relations--Middle East.
Princeton subject headings:
Arabs--History--To 622.
Arabs--Rome.
Church history--Primitive and early church, ca. 30-600.
Europe--Civilization--Arab influences.
Middle East--History--To 622.
Middle East--Relations--Rome.
Rome--Relations--Middle East.