1954
National Gallery of Art, 1938
National Gallery of Art, 1958
National Gallery of Art, 1950
National Gallery of Art, 1762
National Gallery of Art, 1900
National Gallery of Art, 1928
National Gallery of Art, 1936
National Gallery of Art, 1785
National Gallery of Art, 1868
National Gallery of Art, 1450
![The Duck Pond (green plate) [recto] / Untitled [verso]](https://api.nga.gov/iiif/dd45f708-1744-4543-9816-b0a08281fc9d/full/843,/0/default.jpg)
![The Alps [recto]](https://api.nga.gov/iiif/5d2ca2b0-7d84-42fa-be54-71ec2f51938a/full/843,/0/default.jpg)
