1932
National Gallery of Art, 1887
National Gallery of Art, 1938
National Gallery of Art, 1935
National Gallery of Art, 1778
National Gallery of Art, 1646
National Gallery of Art, 1832
National Gallery of Art, 1592
National Gallery of Art, 1920
National Gallery of Art, 1976
National Gallery of Art, 1947
National Gallery of Art, 1676
National Gallery of Art, 1939
![A Stand of Trees [recto]](https://api.nga.gov/iiif/dece75e4-3b1b-493e-95ae-d17c84ca98e3/full/843,/0/default.jpg)
![#6 (after 'Untitled 1975') [progressive proof 6]](https://api.nga.gov/iiif/7b876bad-8d1a-406c-a336-8d746aff0281/full/843,/0/default.jpg)
