Columbia subject headings:
Harvard subject headings:
Cairo (Egypt)--Buildings, structures, etc.--History.
Cairo (Egypt)--Social conditions--History.
City planning--Egypt--Cairo.
Egypt--History--Saladin, 1171-1193.
Saladin, Sultan of Egypt and Syria, 1137-1193
Princeton subject headings:
Cairo (Egypt)--History.
Cairo (Egypt)--Intellectual life.
Cairo (Egypt)--Social conditions.
Egypt--History--640-1250.