Columbia subject headings:
Slavery--Brazil--São Caetano do Sul--History.
Slaves--Emancipation--Brazil.
São Caetano do Sul (Brazil)--History.
Harvard subject headings:
São Caetano do Sul (Brazil)--History.
Slavery--Brazil--São Caetano do Sul--History.
Slaves--Emancipation--Brazil--São Caetano do Sul.
Princeton subject headings: