Columbia subject headings:
Africa, North--Emigration and immigration.
Industrial relations--Africa, North.
Labor unions--Africa, North.
North Africans--France.
Harvard subject headings:
Africa, North--Emigration and immigration.
Industrial relations--Africa, North.
Labor unions--Africa, North.
North Africans--France
Princeton subject headings:
Labor movement--Africa, North.
Labor unions--Africa, North.