1809
National Gallery of Art, 1914
National Gallery of Art, 1981
National Gallery of Art, 1903
National Gallery of Art, 1916
National Gallery of Art, 1937
National Gallery of Art, 1859
National Gallery of Art, 1917
National Gallery of Art, 1998
National Gallery of Art, 1884
National Gallery of Art, 1938
National Gallery of Art, 1952
![Cicada II [trial proof]](https://api.nga.gov/iiif/3ad9464d-3c72-4dd9-8ebb-4c8feae8ea8d/full/843,/0/default.jpg)
![Nilpferdkopf (Hippo Head) [p. 16]](https://api.nga.gov/iiif/12c0bf1e-a1fe-433a-987e-d228bedf2807/full/843,/0/default.jpg)
