Columbia subject headings:
Child labor--Africa, Central--Congresses.
Child labor--Africa, West--Congresses.
Household employees--Africa, Central--Congresses.
Household employees--Africa, West--Congresses.
Harvard subject headings:
Child labor--Africa, Central.
Child labor--Africa, West.
Forced labor--Africa, Central.
Forced labor--Africa, West.
Household employees--Africa, Central.
Household employees--Africa, West.
Princeton subject headings: