1990–1999
National Gallery of Art, 1955
National Gallery of Art, 1621
National Gallery of Art, 1891
National Gallery of Art, 1941
National Gallery of Art, 1590
National Gallery of Art, 1936
National Gallery of Art, 1495
National Gallery of Art, 1900
National Gallery of Art, 1940
National Gallery of Art, 1996
National Gallery of Art, 1957
National Gallery of Art, 1896
![Head of a Man (Self-Portrait) (Männerkopf [Selbstbildnis])](https://api.nga.gov/iiif/d8e550c8-b0af-44d6-b3c9-f0544fd60b1e/full/843,/0/default.jpg)
![Umbria Verde [working proof 5]](https://api.nga.gov/iiif/2f4ff620-7671-469e-bf95-4abed96bbf65/full/843,/0/default.jpg)
