Columbia subject headings:
Migration, Internal--Senegambia.
Rural-urban migration--Senegambia.
Senegambia--Population.
Urbanization--Senegambia.
Harvard subject headings:
Migration, Internal--Senegambia.
Rural-urban migration--Senegambia.
Senegambia--Population.
Urbanization--Senegambia.
Princeton subject headings:
Migration, Internal--Senegambia.
Rural-urban migration--Senegambia.
Senegambia--Population.
Urbanization--Senegambia.