1887
National Gallery of Art, 1940
National Gallery of Art, 1884
National Gallery of Art, 1140
National Gallery of Art, 1854
National Gallery of Art, 1936
National Gallery of Art, 1991
National Gallery of Art, 1899
National Gallery of Art, 1800
National Gallery of Art, 1901
National Gallery of Art, 1792
National Gallery of Art, 1939
![Skizze für Frühe Menschen (Sketch for Early Men) [p. 8]](https://api.nga.gov/iiif/898d8730-7070-4f4d-9327-450588728cc4/full/843,/0/default.jpg)
