1764
National Gallery of Art, 1884
National Gallery of Art, 1937
National Gallery of Art, 1592
National Gallery of Art, 1769
National Gallery of Art, 1947
National Gallery of Art, 1940
National Gallery of Art, 1910
National Gallery of Art, 1410
National Gallery of Art, 1973
National Gallery of Art, 1939
![Detail eines Bärenkopfes (Detail of a Bear's Head) [p. 56]](https://api.nga.gov/iiif/678ce5b3-e255-4560-896b-6a5750ff9b04/full/843,/0/default.jpg)
