Columbia subject headings:
Antislavery movements--Brazil--Bibliography.
Slave trade--Brazil--Bibliography.
Slavery--Brazil--Bibliography.
Harvard subject headings:
Antislavery movements--Brazil--Bibliography.
Slave trade--Brazil--Bibliography.
Slavery--Brazil--Bibliography.
Princeton subject headings:
Antislavery movements--Brazil--Bibliography.
Slave trade--Brazil--Bibliography.
Slavery--Brazil--Bibliography.