2012
National Gallery of Art, 1871
National Gallery of Art, 1985
National Gallery of Art, 1595
National Gallery of Art, 1778
National Gallery of Art, 1888
National Gallery of Art, 1956
National Gallery of Art, 1954
National Gallery of Art, 1940
National Gallery of Art, 1938
National Gallery of Art, 1837
National Gallery of Art, 2006
National Gallery of Art, 1857
![Cottonwood [working proof 1]](https://api.nga.gov/iiif/40bdee0d-8059-44e6-9148-2b7567f85b23/full/843,/0/default.jpg)
![A Stand of Trees [recto]](https://api.nga.gov/iiif/dece75e4-3b1b-493e-95ae-d17c84ca98e3/full/843,/0/default.jpg)
