Columbia subject headings:
Harvard subject headings:
Africa--Emigration and immigration.
Emigration and immigration law--European Union countries
European Union countries--Emigration and immigration
European Union countries--Relations--Morocco.
Morocco--Emigration and immigration.
Morocco--Relations--European Union countries.
Princeton subject headings:
Africa, Sub-Saharan--Emigration and immigration.
European Union countries--Emigration and immigration--Government policy.
Illegal aliens--European Union countries.
Illegal aliens--Morocco.
Morocco--Emigration and immigration--Government policy.