Columbia subject headings:
Ethnic markets--France--History--19th century.
Ethnic markets--France--History--20th century.
France--Ethnic relations--History--19th century.
France--Ethnic relations--History--20th century.
Immigrants--France--Economic conditions--19th century.
Immigrants--France--Economic conditions--20th century.
Merchants, Foreign--France--History--19th century.
Merchants, Foreign--France--History--20th century.
Harvard subject headings:
Ethnic relations--France--History--20th century.
France--Social conditions--20th century.
Immigrants--France--Social conditions--20th century.
Merchants, Foreign--France--Social conditions--20th century.
Princeton subject headings:
Ethnic relations--France--History--20th century.
France--Social conditions--20th century.
Immigrants--France--Social conditions--20th century.
Merchants, Foreign--France--Social conditions--20th century.