Columbia subject headings:
Klee, Paul, 1879-1940--Exhibitions.
Painters--Germany--Biography--Exhibitions.
Harvard subject headings:
Klee, Paul, 1879-1940--Portraits--Exhibitions.
Painters--Germany--Biography--Exhibitions.
Princeton subject headings:
Klee, Paul, 1879-1940--Exhibitions.
Painters--Germany--Biography--Exhibitions.