1976
National Gallery of Art, 1964
National Gallery of Art, 1884
National Gallery of Art, 1936
National Gallery of Art, 1938
National Gallery of Art, 1935
National Gallery of Art, 1809
National Gallery of Art, 1942
National Gallery of Art, 1917
Friedlander, Lee, 1981
National Gallery of Art, 1985
![Singender (?) Mann und begonnene Studie (Two Figures, One Might Be Singing) [p. 15]](https://api.nga.gov/iiif/4e21a3be-173d-4259-83aa-4cbcdf1bb977/full/843,/0/default.jpg)
