Columbia subject headings:
Authors, French--Correspondence--History and criticism--Congresses.
Dramatists, French--Correspondence--History and criticism--Congresses.
French drama--History and criticism--Congresses.
French letters--History and criticism--Congresses.
Theater--France--History--Congresses.
Harvard subject headings:
Drama--19th century--History and criticism--Congresses.
Drama--20th century--History and criticism--Congresses.
Letters in literature--Congresses.
Letters--History and criticism--Congresses.
Princeton subject headings:
Drama--19th century--History and criticism.
Drama--20th century--History and criticism.
Letters in literature.
Letters--History and criticism.