Columbia subject headings:
Squatter settlements--Brazil--Rio de Janeiro--Bibliography.
Squatter settlements--Brazil--Rio de Janeiro--History--20th century--Bibliography.
Harvard subject headings:
Squatter settlements--Brazil--Rio de Janeiro--Bibliography.
Squatter settlements--Brazil--Rio de Janeiro--History--20th century--Bibliography.
Princeton subject headings:
Squatter settlements--Brazil--Rio de Janeiro--Bibliography.
Squatter settlements--Brazil--Rio de Janeiro--History--20th century--Bibliography.