Columbia subject headings:
France--Emigration and immigration--Government policy--History--19th century.
Noncitizens--France--History--19th century.
Political refugees--France--History--19th century.
Harvard subject headings:
Exiles--France--History--19th century.
France--Emigration and immigration--History--19th century.
Refugees--France--History--19th century.
Princeton subject headings:
France--Emigration and immigration--Government policy--History--19th century.
Noncitizens--France--History--19th century.
Political refugees--France--History--19th century.