Columbia subject headings:
Harvard subject headings:
Africa, East--Population--Congresses.
Migration, Internal--Congo (Democratic Republic)--Congresses.
Migration, Internal--Kenya--Congresses.
Migration, Internal--Tanzania--Congresses.
Migration, Internal--Uganda--Congresses.
Princeton subject headings:
Africa, East--Population.
Demography--Africa, East.
Migration, Internal--Africa, East.