1895
National Gallery of Art, 1889
National Gallery of Art, 1798
National Gallery of Art, 2001
National Gallery of Art, 1935
National Gallery of Art, 1941
National Gallery of Art, 1914
National Gallery of Art, 1869
National Gallery of Art, 1938
National Gallery of Art, 1818
National Gallery of Art, 1955
National Gallery of Art, 1772
National Gallery of Art, 1999
![Insel Hospital, Bern [reverse]](https://api.nga.gov/iiif/5d1d512c-258b-45fe-905f-7f49294550fb/full/843,/0/default.jpg)
![Untitled [female nude with bowed head]](https://api.nga.gov/iiif/3cf0d94e-d130-4a45-83ea-788f2124c682/full/843,/0/default.jpg)
![Flower Power [working proof 1]](https://api.nga.gov/iiif/38b511dc-33a9-4e35-9c20-823f18087cb6/full/843,/0/default.jpg)