Columbia subject headings:
Harvard subject headings:
Risk--Sociological aspects--Congresses.
Tanzania--Social conditions--Congresses.
Uncertainty--Social aspects--Congresses.
Witchcraft--Tanzania--Congresses.
Princeton subject headings:
Risk--Sociological aspects--Congresses.
Tanzania--Social conditions--Congresses.
Uncertainty--Social aspects--Congresses.
Witchcraft--Tanzania--Congresses.