2019
National Gallery of Art, 1934
National Gallery of Art, 1903
National Gallery of Art, 1935
National Gallery of Art, 1938
National Gallery of Art, 1856
National Gallery of Art, 1977
National Gallery of Art, 1909
National Gallery of Art, 1942
National Gallery of Art, 1937
National Gallery of Art, 1623
National Gallery of Art, 1918
![Canyon Clouds [working proof 1]](https://api.nga.gov/iiif/eb3d1091-c208-438e-88d2-19a02b3fec84/full/843,/0/default.jpg)
![3 from Landing [artist's proof]](https://api.nga.gov/iiif/45183bfd-2c7e-4c5e-ac17-d8d6ff9af3f7/full/843,/0/default.jpg)
