1969–1970
Collectors Committee, 1991
Collectors Committee, 1975
Kelpra Studio, 1969
R. B. Kitaj, 1964
Collectors Committee, 1958
Collectors Committee, 1948
Schellenberg FL, 1969
Collectors Committee, 1989
Collectors Committee, 1928
Collectors Committee, 1990
R. B. Kitaj, 1969
