Columbia subject headings:
Harvard subject headings:
Africa--Religion--Congresses.
Africa--Religious life and customs--Congresses.
Violence--Africa--Congresses.
Witchcraft--Africa--Congresses.
Princeton subject headings:
Africa--Politics and government--Congresses.
Africa--Social conditions--1960---Congresses.
Occultism--Political aspects--Africa--Congresses.
Occultism--Social aspects--Africa--Congresses.
Violence--Africa--Congresses.
Witchcraft--Political aspects--Africa--Congresses.
Witchcraft--Social aspects--Africa--Congresses.