Columbia subject headings:
French letters--19th century--History and criticism.
French letters--19th century.
French letters--20th century--History and criticism.
French letters--20th century.
Harvard subject headings:
French letters--19th century--History and criticism.
French letters--19th century.
French letters--20th century--History and criticism.
French letters--20th century.
French letters--History and criticism.
French letters.
Princeton subject headings:
French letters--19th century--History and criticism.
French letters--19th century.
French letters--20th century--History and criticism.
French letters--20th century.