2012
National Gallery of Art, 1936
National Gallery of Art, 1571
National Gallery of Art, 1961
National Gallery of Art, 1661
National Gallery of Art, 1941
National Gallery of Art, 1807
National Gallery of Art, 1825
National Gallery of Art, 1964
National Gallery of Art, 1523
National Gallery of Art, 1937
National Gallery of Art, 2009
![Cottonwood [working proof 4A]](https://api.nga.gov/iiif/345d6857-37dd-467b-9d79-53e46ac4b13f/full/843,/0/default.jpg)
![Pelican in Her Piety on a Tree Stump [reverse]](https://api.nga.gov/iiif/07e56c00-a9a1-4afa-ae85-7706885799d4/full/843,/0/default.jpg)
