Columbia subject headings:
Africa, Sub-Saharan--Emigration and immigration.
Illegal immigration--Niger--Agadez (Department)
Immigrants--Niger--Agadez (Department)
Niger--Economic conditions.
Niger--Emigration and immigration.
Noncitizens--Niger--Agadez (Department)
Harvard subject headings:
Africans--Sahara--Migrations.
Agadez (Niger : Département)--Commerce.
Border crossing--Sahara--Government policy.
Corruption--Sahara.
Sahara--Emigration and immigration.
Transportation--Sahara.
Princeton subject headings:
Africans--Sahara--Migrations.
Agadez (Niger : Department)--Commerce.
Border crossing--Sahara--Government policy.
Corruption--Sahara.
Sahara--Emigration and immigration.
Transportation--Sahara.