Columbia subject headings:
Refugees--Government policy--France--History--20th century.
Refugees--Government policy--United States--History--20th century.
Harvard subject headings:
Refugees--Government policy--France--History--20th century.
Refugees--Government policy--United States--History--20th century.
Princeton subject headings:
Refugees--Government policy--France--History--20th century.
Refugees--Government policy--United States--History--20th century.