1860
National Gallery of Art, 1820
National Gallery of Art, 1460
National Gallery of Art, 1978
National Gallery of Art, 1964
National Gallery of Art, 1884
National Gallery of Art, 1937
National Gallery of Art, 1950
National Gallery of Art, 1939
National Gallery of Art, 1907
National Gallery of Art, 1895
National Gallery of Art, 1987
National Gallery of Art, 1615
![drei Köpfe und Beschriftung (Three Heads, One Notation) [p. 11]](https://api.nga.gov/iiif/851f1eac-bef9-4b2d-adca-c60d3a560013/full/843,/0/default.jpg)
