1948
National Gallery of Art, 1560
National Gallery of Art, 1993
Corcoran Gallery of Art, 1887
National Gallery of Art, 1643
National Gallery of Art, 2000
Corcoran Gallery of Art, 1836
National Gallery of Art, 1968
National Gallery of Art, 1486
National Gallery of Art, 1936
National Gallery of Art, 1640
National Gallery of Art, 1955
![Letter to the Mother [left]](https://api.nga.gov/iiif/77fb0118-db4f-4cd7-9fd3-ad50ccc7ae48/full/843,/0/default.jpg)
![Cantilever Bridges [working proof 2]](https://api.nga.gov/iiif/2b3e0ac7-070d-4eb2-a43b-c7581c6a91fe/full/843,/0/default.jpg)
![Mercury Carrying a Caduceus [reverse]](https://api.nga.gov/iiif/d004cd04-8161-4120-97db-be67e56d0c25/full/843,/0/default.jpg)
![Untitled [seated female nude leaning back]](https://api.nga.gov/iiif/53994f0d-1628-4dca-81ad-e626b04f0e49/full/843,/0/default.jpg)