Columbia subject headings:
Europe--Emigration and immigration.
Europe--Ethnic relations.
Moroccans--Europe--Social conditions.
Morocco--Emigration and immigration.
Harvard subject headings:
Europe--Emigration and immigration.
Moroccans--Europe.
Morocco--Emigration and immigration.
Princeton subject headings:
Europe--Emigration and immigration.
Moroccans--Europe--Social conditions.
Morocco--Emigration and immigration.