Columbia subject headings:
Africa--Social life and customs--Congresses.
Ethnicity--Africa--Congresses.
Ethnology--Africa--History--Congresses.
Harvard subject headings:
Africa--Social life and customs--Congresses.
Ethnicity--Africa
Ethnicity--Africa--Congresses.
Ethnology--Africa
Ethnology--Africa--History--Congresses.
Princeton subject headings:
Africa, Sub-Saharan--Ethnic relations--Congresses.
Ethnic groups--Congresses.
Ethnology--Africa, Sub-Saharan--Congresses.