1621
National Gallery of Art, 2008
National Gallery of Art, 1914
National Gallery of Art, 1938
National Gallery of Art, 1936
National Gallery of Art, 1978
National Gallery of Art, 1968
National Gallery of Art, 1954
National Gallery of Art, 1919
National Gallery of Art, 1920
National Gallery of Art, 1953
National Gallery of Art, 1884
National Gallery of Art, 1915
![Abandoned [working proof 3]](https://api.nga.gov/iiif/f7644a26-52a7-4cbb-adb7-1f89c2681724/full/843,/0/default.jpg)
![Skizze für Frühe Menschen, Notizen (Sketch for Early Men with Notation) [p. 11]](https://api.nga.gov/iiif/60d74a8b-4be3-4bbb-a825-631e46e1574b/full/843,/0/default.jpg)
