Columbia subject headings:
Africa, East--Social life and customs--Congresses.
Herders--Africa, East--Congresses.
Military art and science--Africa, East--Congresses.
Harvard subject headings:
Nomads--Africa, East--Congresses.
War and society--Congresses
Princeton subject headings:
Herders--Africa, Eastern--Congresses.
Military art and science--Africa, Eastern--Congresses.