1940
National Gallery of Art, 1971
National Gallery of Art, 1936
National Gallery of Art, 1937
United States Government, 1937
National Gallery of Art, 1509
National Gallery of Art, 1969
National Gallery of Art, 1755
National Gallery of Art, 1940
National Gallery of Art, 1893
National Gallery of Art, 1984
National Gallery of Art, 1884
National Gallery of Art, 1967
![Detailstudie eines Violoncello (Study of a Violin) [p. 3]](https://api.nga.gov/iiif/c0c1e603-fbaf-4234-aab1-32ebd27b0b9a/full/843,/0/default.jpg)
