1760–1764
National Gallery of Art, 1924
National Gallery of Art, 1736
National Gallery of Art, 1935
National Gallery of Art, 1958
National Gallery of Art, 1458
National Gallery of Art, 1967
National Gallery of Art, 1751
National Gallery of Art, 1936
National Gallery of Art, 1990
National Gallery of Art, 1903
National Gallery of Art, 1857
National Gallery of Art, 1939
![Ida and Georgia O'Keeffe [recto]](https://api.nga.gov/iiif/54392d1c-7e7e-46e8-961f-1137058de9f3/full/843,/0/default.jpg)
![Pelican in Her Piety [reverse]](https://api.nga.gov/iiif/9b392f50-a944-48f7-a0d8-4b7424fc73aa/full/843,/0/default.jpg)
![Flags II [trial proof]](https://api.nga.gov/iiif/9f010b4d-1f11-4448-bf9a-ccc0c4ba4a2a/full/843,/0/default.jpg)
![Sheet of Sketches [recto]](https://api.nga.gov/iiif/ca6172ce-dd06-4b4d-ab7c-180fd8a1603f/full/843,/0/default.jpg)
