Columbia subject headings:
France--Emigration and immigration.
Immigrants--Cultural assimilation--France.
Portugal--Emigration and immigration.
Portuguese--France.
Harvard subject headings:
France--Emigration and immigration.
Immigrants--Cultural assimilation--France
Portugal--Emigration and immigration.
Portuguese--France.
Princeton subject headings:
France--Emigration and immigration.
Immigrants--Cultural assimilation--France.
Portugal--Emigration and immigration.
Portuguese--France.