Columbia subject headings:
Harvard subject headings:
Cubism--France--Exhibitions
Léger, Fernand, 1881-1955--Exhibitions.
Signals and signaling in art--Exhibitions.
Princeton subject headings:
Art, European--20th century--Exhibitions.
Avant-garde (Aesthetics)--Europe--History--20th century--Exhibitions.
Communication in art--Exhibitions.
Letters in art--Exhibitions.
Léger, Fernand, 1881-1955--Exhibitions.