1930
R. K. Mellon Family Foundation, 1853
R. K. Mellon Family Foundation, 1971
R. K. Mellon Family Foundation, 1935
R. K. Mellon Family Foundation, 1858
R. K. Mellon Family Foundation, 1849
R. K. Mellon Family Foundation, 1865
R. K. Mellon Family Foundation, 1846
R. K. Mellon Family Foundation, 1528
R. K. Mellon Family Foundation, 1937
R. K. Mellon Family Foundation, 1901
Marjorie Content, 1933
![Sin título (Milicianos en un trinchera) (Untitled [Militiamen in a trench])](https://api.nga.gov/iiif/0d266bb0-ea84-4931-bf2b-caae2302efd3/full/843,/0/default.jpg)
