1962
Corcoran Gallery of Art, 1964
National Gallery of Art, 1884
National Gallery of Art, 1922
National Gallery of Art, 1759
National Gallery of Art, 1936
National Gallery of Art, 1925
National Gallery of Art, 1932
National Gallery of Art, 1724
National Gallery of Art, 1972
National Gallery of Art, 1907
National Gallery of Art, 1952
National Gallery of Art, 1964
![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)
![Zone [working proof]](https://api.nga.gov/iiif/9c42b76d-c997-468c-aed0-01333e425774/full/843,/0/default.jpg)
