Columbia subject headings:
Free verse--Congresses.
French language--Versification--Congresses.
French poetry--19th century--History and criticism--Congresses.
French poetry--20th century--History and criticism--Congresses.
Harvard subject headings:
Free verse--History and criticism--Congresses.
French poetry--19th century--History and criticism--Congresses.
French poetry--20th century--History and criticism--Congresses.
Princeton subject headings:
Free verse--History and criticism--Congresses.
French poetry--19th century--History and criticism--Congresses.
French poetry--20th century--History and criticism--Congresses.