Columbia subject headings:
France--Emigration and immigration--History--20th century.
France--History--1914-1940.
Immigrants--France--Public opinion.
Public opinion--France.
Harvard subject headings:
France--Emigration and immigration--Public opinion.
France--Ethnic relations.
France--History--1914-1940.
Public opinion--France
Princeton subject headings:
France--Emigration and immigration--History--20th century.
France--History--1914-1940.
Immigrants--France--Public opinion.
Public opinion--France.