1996
National Gallery of Art, 1993
National Gallery of Art, 1990
National Gallery of Art, 1938
National Gallery of Art, 1961
National Gallery of Art, 1822
Crown Point Press, 1980
National Gallery of Art, 1564
National Gallery of Art, 1918
National Gallery of Art, 1793
National Gallery of Art, 1936
National Gallery of Art, 1962
Crown Point Press, 1981
![Umbria Verde [preparatory drawing]](https://api.nga.gov/iiif/77fb4855-aec1-439d-a5fa-cea05e488957/full/843,/0/default.jpg)
![Combination [working proof 4]](https://api.nga.gov/iiif/58ad92ac-dd1f-4dea-a55e-273950d9f6dc/full/843,/0/default.jpg)