1845
National Gallery of Art, 1936
National Gallery of Art, 1999
National Gallery of Art, 1515
National Gallery of Art, 1862
National Gallery of Art, 1935
National Gallery of Art, 1968
National Gallery of Art, 1953
National Gallery of Art, 1755
National Gallery of Art, 1966
National Gallery of Art, 1660
National Gallery of Art, 1993
National Gallery of Art, 1964
![The Infant Hercules Strangling Two Serpents [reverse]](https://api.nga.gov/iiif/a9c8f1b7-1d17-44a2-b4d8-5ed372b4b3ae/full/843,/0/default.jpg)
![Sheet of Studies [recto and verso]](https://api.nga.gov/iiif/5a722aa1-6f97-4fad-b746-c94bfce5ba81/full/843,/0/default.jpg)
![After Holbein [trial proof]](https://api.nga.gov/iiif/2fafd2ff-a429-440c-b295-881331a7c845/full/843,/0/default.jpg)
