Columbia subject headings:
Harvard subject headings:
Competition--Government policy--France.
Concessions--France.
Railroads and state--France.
Princeton subject headings:
Competition--France--History--19th century.
Competition--France--History--20th century.
Railroad land grants--France--History--19th century.
Railroad land grants--France--History--20th century.
Railroads and state--France--History--19th century.
Railroads and state--France--History--20th century.