1921
Berggruen & Cie., 1921
Paul Klee, 1930
Paul Klee, 1928
Paul Klee, 1933
Hertzberg, Lilian and Benjamin, Estate of, 1923
Hertzberg, Lilian and Benjamin, Estate of, 1621
Paul Klee, 1918
Paul Klee, 1923
Paul Klee, 1922
Paul Klee, 1929
Paul Klee, 1938
Paul Klee, 1932
