Columbia subject headings:
Black people--Latin America--Congresses.
Indians--Economic conditions--Congresses.
Indians--Ethnic identity--Congresses.
Indians--Social conditions--Congresses.
Harvard subject headings:
Black people--Latin America--Congresses.
Group identity--America--History--Congresses.
Indians--Economic conditions--Congresses.
Indians--Ethnic identity--Congresses.
Indians--Social conditions--Congresses.
Princeton subject headings:
Black people--Latin America--Congresses.
Indians--Economic conditions--Congresses.
Indians--Ethnic identity--Congresses.
Indians--Social conditions--Congresses.