1620
National Gallery of Art, 1937
National Gallery of Art, 1938
National Gallery of Art, 1647
National Gallery of Art, 1998
National Gallery of Art, 1990
National Gallery of Art, 1552
National Gallery of Art, 1895
National Gallery of Art, 1963
National Gallery of Art, 1925
National Gallery of Art, 1935
National Gallery of Art, 1664
National Gallery of Art, 1600
![Red, Yellow, Blue [working proof]](https://api.nga.gov/iiif/594b775c-c80b-4669-a3ae-05164b855e75/full/843,/0/default.jpg)
![Landscape with Mountains [recto]](https://api.nga.gov/iiif/0936be8e-4e6d-4176-8ae6-2e49295ec2d7/full/843,/0/default.jpg)
