1880
National Gallery of Art, 1972
National Gallery of Art, 1939
National Gallery of Art, 1952
National Gallery of Art, 1634
National Gallery of Art, 1525
National Gallery of Art, 1991
National Gallery of Art, 1975
National Gallery of Art, 1781
National Gallery of Art, 1988
National Gallery of Art, 1624
![Untitled (Studio Corner) [verso]](https://api.nga.gov/iiif/d124edd1-352a-49ff-b4f2-e0c2dc0e8a80/full/843,/0/default.jpg)
![Radiant Sun over a Landscape [reverse]](https://api.nga.gov/iiif/e54211a4-20fc-4b64-a6db-e433f497eec1/full/843,/0/default.jpg)
![She-Wolf with Romulus and Remus [reverse]](https://api.nga.gov/iiif/47d1fa72-623e-4f63-b474-3528037ba3c7/full/843,/0/default.jpg)
![3 [trial proof]](https://api.nga.gov/iiif/2aed50d7-e4a9-4b53-b5a3-728106d301a4/full/843,/0/default.jpg)
![Pi [working proof 2]](https://api.nga.gov/iiif/cd9ef14b-ffc9-4b54-8bff-f34993de222f/full/843,/0/default.jpg)
