Columbia subject headings:
Housing--Brazil--Recife.
Marshes--Brazil--Recife.
Recife (Brazil)--Social conditions.
Harvard subject headings:
Housing--Brazil--Recife.
Marshes--Brazil--Recife.
Recife (Brazil)--Social conditions.
Princeton subject headings:
Housing--Brazil--Recife.
Marshes--Brazil--Recife.
Recife (Brazil)--Social conditions.