1887
National Gallery of Art, 1938
National Gallery of Art, 1622
National Gallery of Art, 1940
National Gallery of Art, 1950
National Gallery of Art, 1510
National Gallery of Art, 1699
National Gallery of Art, 1884
National Gallery of Art, 1893
National Gallery of Art, 1640
National Gallery of Art, 1968
National Gallery of Art, 1920
National Gallery of Art, 1952
![Two Cow's Heads [verso]](https://api.nga.gov/iiif/b0e65972-ba4c-4686-b78f-d69803a06555/full/843,/0/default.jpg)
