Columbia subject headings:
Africa, North--History--647-1517--Congresses.
Africa, North--Population--History--To 1500--Congresses.
Africa, North--Rural conditions--Congresses.
Muslims--Spain--History--To 1500--Congresses.
Rural population--Africa, North--History--To 1500--Congresses.
Rural population--Spain--History--To 1500--Congresses.
Spain--History--711-1516--Congresses.
Spain--Population--History--To 1500--Congresses.
Spain--Rural conditions--Congresses.
Harvard subject headings:
Africa, North--History--647-1517--Congresses.
Africa, North--Population--History--To 1500--Congresses.
Africa, North--Rural conditions--Congresses.
Muslims--Spain--History--To 1500--Congresses.
Rural population--Africa, North--History--To 1500--Congresses.
Rural population--Spain--History--To 1500--Congresses.
Spain--History--711-1516--Congresses.
Spain--Population--History--To 1500--Congresses.
Spain--Rural conditions--Congresses.
Princeton subject headings: