1725–1735
National Gallery of Art, 1969
National Gallery of Art, 1963
National Gallery of Art, 1709
National Gallery of Art, 1756
National Gallery of Art, 1980
National Gallery of Art, 1919
National Gallery of Art, 1899
National Gallery of Art, 1948
National Gallery of Art, 1999
National Gallery of Art, 1870
National Gallery of Art, 1998
![Drypoint Kappa [special proof]](https://api.nga.gov/iiif/d3138dde-9935-4612-8309-92d74464eeba/full/843,/0/default.jpg)
![Untitled (Embassies) [trial proof of 1st state]](https://api.nga.gov/iiif/c2a80f0e-8247-435e-a8e6-1536a697180f/full/843,/0/default.jpg)
![Cairn 4 [working proof 2]](https://api.nga.gov/iiif/22d65ec3-dff3-4829-a6b6-0a8069243a92/full/843,/0/default.jpg)