1923–1933
Isaacs, Charles, 1937
Isaacs, Charles, 1856
Isaacs, Charles, 1847
Mellon Family Foundation, R. K., 1980
Isaacs, Charles, 1855
Mellon Family Foundation, R. K., 1849
Isaacs, Charles, 1878
Mellon Family Foundation, R. K., 1840
Mellon Family Foundation, R. K., 1929
Mellon Family Foundation, R. K., 1853
Mellon Family Foundation, R. K., 1850
Isaacs, Charles, 1962
![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)
