Columbia subject headings:
Dissertations, Academic--Brazil--Bibliography.
Rio de Janeiro (Brazil)--History--Bibliography.
Rio de Janeiro (Brazil)--Research.
Rio de Janeiro (Brazil)--Social conditions--Bibliography.
Harvard subject headings:
Dissertations, Academic--Brazil--Bibliography
Rio de Janeiro (Brazil : State)--Dissertations--Bibliography.
Princeton subject headings:
Dissertations, Academic--Brazil--Bibliography.
Dissertations, Academic--Brazil--Rio de Janeiro (State)--Bibliography.