1978
National Gallery of Art, 1903
National Gallery of Art, 1600
National Gallery of Art, 1884
National Gallery of Art, 1948
National Gallery of Art, 1896
National Gallery of Art, 1938
National Gallery of Art, 1936
National Gallery of Art, 1963
National Gallery of Art, 1926
National Gallery of Art, 1966
National Gallery of Art, 1736
National Gallery of Art, 1596
![Studies of a Head of a Woman [recto]](https://api.nga.gov/iiif/936b08cf-e53e-4ed9-899e-60d4f7fd1996/full/843,/0/default.jpg)
![Euclid [obverse]](https://api.nga.gov/iiif/1ffa27cd-115d-4025-b199-91b853e35d8e/full/843,/0/default.jpg)
![Zirkusnummer mit Elefanten (Elephants Performing) [p. 75]](https://api.nga.gov/iiif/4ea71f90-1001-49ef-8c49-e8704e9d72fd/full/843,/0/default.jpg)
![Light Bulb [trial proof]](https://api.nga.gov/iiif/a1ce4bf2-19ba-4958-bc9e-0a5eb9272185/full/843,/0/default.jpg)
