Columbia subject headings:
Slavery--Venezuela--History--Congresses.
Venezuela--Social conditions--20th century--Congresses.
Harvard subject headings:
Black people--Venezuela--History.
Slavery--Venezuela--History.
Slaves--Emancipation--Venezuela.
Venezuela--Social conditions--20th century--Congresses.
Princeton subject headings:
Black people--Venezuela--History.
Slavery--Venezuela--History.
Slaves--Emancipation--Venezuela.
Venezuela--Social conditions--20th century--Congresses.