1928
R. K. Mellon Family Foundation, 1890
R. K. Mellon Family Foundation, 1931
R. K. Mellon Family Foundation, 1930
Germaine Krull, 1928
Edwynn Houk Gallery, 1998
R. K. Mellon Family Foundation, 1940
Edwynn Houk Gallery, 1931
R. K. Mellon Family Foundation, 1870
R. K. Mellon Family Foundation, 1929
