Columbia subject headings:
Harvard subject headings:
Herders--Africa--Economic conditions.
Herders--Africa--Politics and government.
Marginality, Social--Africa.
Nomads--Africa--Economic conditions.
Nomads--Africa--Politics and government.
Princeton subject headings:
Herders--Africa--Economic conditions.
Herders--Africa--Politics and government.
Marginality, Social--Africa.
Nomads--Africa--Economic conditions.
Nomads--Africa--Politics and government.