Columbia subject headings:
Harvard subject headings:
Art, German--20th century--Exhibitions.
Art, Swiss--20th century--Exhibitions.
Art, Swiss--20th century--French influences--Exhibitions.
Artists--Germany--Exhibitions.
Artists--Switzerland--Biography.
Irony in art--Exhibitions.
Klee, Paul, 1879-1940--Exhibitions.
Princeton subject headings:
Irony in art--Exhibitions.
Klee, Paul, 1879-1940--Exhibitions.