Columbia subject headings:
Instituto dos Advogados Brasileiros.
Malheiro, Perdigão, 1824-1881.
Slavery--Brazil--History--19th century.
Slavery--Law and legislation--Brazil--History.
Harvard subject headings:
Instituto dos Advogados Brasileiros.
Slavery--Brazil--History
Slavery--Law and legislation--Brazil--History.
Princeton subject headings:
Instituto dos Advogados Brasileiros.
Malheiro, Perdigão, 1824-1881.
Slavery--Brazil--History--19th century.
Slavery--Law and legislation--Brazil--History.