1927
National Gallery of Art, 1920
National Gallery of Art, 1969
National Gallery of Art, 1872
National Gallery of Art, 1976
National Gallery of Art, 1973
National Gallery of Art, 1897
National Gallery of Art, 1635
National Gallery of Art, 1876
National Gallery of Art, 1884
National Gallery of Art, 1560
National Gallery of Art, 1936
![Rejected Plates: Hand [trial proof 4]](https://api.nga.gov/iiif/8f25219b-0ad6-4f9e-8877-4ea2772bb442/full/843,/0/default.jpg)
![Nilpferdkopf (Hippo Head) [p. 16]](https://api.nga.gov/iiif/12c0bf1e-a1fe-433a-987e-d228bedf2807/full/843,/0/default.jpg)
