Columbia subject headings:
Harvard subject headings:
Culture--Congresses.
Ethnic relations--Congresses
Ethnicity--Congresses
Princeton subject headings:
Black people--Colombia--Congresses.
Ethnicity--Latin America--Congresses.
Finland--Civilization--Congresses.
Latin America--Civilization--20th century--Congresses.
Latin America--Ethnic relations--Congresses.
Latin America--Social life and customs--Congresses.