Columbia subject headings:
Black people--Brazil--Maranhão--Interviews.
Brazil--History--Empire, 1822-1889.
Brazil--Interviews.
Maranhão (Brazil)--History.
Revolutions--Brazil--Maranhão--History.
Slavery--Brazil--Maranhão--Insurrections, etc.
Harvard subject headings:
Black people--Brazil--Maranhão--Interviews.
Brazil--History--Empire, 1822-1889
Brazil--Interviews.
Maranhão (Brazil)--History
Revolutions--Brazil--Maranhão--History.
Slave insurrections--Brazil--Maranhão.
Slavery--Brazil--Maranhão--Insurrections, etc.
Princeton subject headings:
Maranhão (Brazil)--History.
Revolutions--Brazil--Maranhão--History.
Slavery--Brazil--Maranhão--Insurrections, etc.