1953–1992
National Gallery of Art, 1799
National Gallery of Art, 1895
National Gallery of Art, 1940
National Gallery of Art, 1790
National Gallery of Art, 1775
National Gallery of Art, 1987
National Gallery of Art, 1500
National Gallery of Art, 1954
National Gallery of Art, 1884
National Gallery of Art, 1958
National Gallery of Art, 1961
National Gallery of Art, 1963
![A Grazing Cow; Head of a Woman with Her Hand on Her Cheek, and Head of a Man with His Hand on His Ear [verso]](https://api.nga.gov/iiif/f31cfbd3-efec-46e8-8220-b7e9aaae69d7/full/843,/0/default.jpg)
![0 from 0-9 (Black) [artist's proof]](https://api.nga.gov/iiif/249e12dd-97a5-4376-8643-67034eccc8fb/full/843,/0/default.jpg)