Columbia subject headings:
Harvard subject headings:
Africa--Emigration and immigration--Government policy.
Africa--Relations--European Union countries.
European Union countries--Emigration and immigration--Government policy
European Union countries--Relations--Africa.
Princeton subject headings:
Africa--Emigration and immigration--Government policy.
Africa--Relations--European Union countries.
European Union countries--Emigration and immigration--Government policy.
European Union countries--Relations--Africa.