Columbia subject headings:
Cairo (Egypt)--Population.
Cairo (Egypt)--Social conditions.
Households--Egypt--Cairo.
Housing--Egypt--Cairo.
Harvard subject headings:
Cairo (Egypt)--Population.
Cairo (Egypt)--Social conditions.
Households--Egypt--Cairo.
Housing--Egypt--Cairo.
Human settlements--Egypt--Cairo.
Princeton subject headings:
Cairo (Egypt)--Population.
Cairo (Egypt)--Social conditions.
Households--Egypt--Cairo.
Housing--Egypt--Cairo.