1967–1969
National Gallery of Art, 1884
National Gallery of Art, 1944
National Gallery of Art, 1943
National Gallery of Art, 1490
National Gallery of Art, 1940
National Gallery of Art, 1937
National Gallery of Art, 1574
National Gallery of Art, 1878
National Gallery of Art, 1957
National Gallery of Art, 1935
National Gallery of Art, 1600
National Gallery of Art, 1922
![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)
![Madonna and Child with Saints John and Joseph [recto]](https://api.nga.gov/iiif/dc2dab85-db67-4932-8a79-d65dd4c79a5d/full/843,/0/default.jpg)
