1946
R. K. Mellon Family Foundation, 1977
Howard Greenberg Gallery, 1948
R. K. Mellon Family Foundation, 1854
Howard Greenberg Gallery, 1935
R. K. Mellon Family Foundation, 1915
R. K. Mellon Family Foundation, 1860
R. K. Mellon Family Foundation, 1978
R. K. Mellon Family Foundation, 1938
Howard Greenberg Gallery, 1936
Howard Greenberg Gallery, 1938
