1903–1970
National Gallery of Art, 1828
National Gallery of Art, 1767
National Gallery of Art, 1941
National Gallery of Art, 1999
National Gallery of Art, 1949
National Gallery of Art, 1884
National Gallery of Art, 1600
National Gallery of Art, 1792
National Gallery of Art, 1935
National Gallery of Art, 1967
National Gallery of Art, 1937
![Mountain Landscape [verso]](https://api.nga.gov/iiif/090b9899-535a-49da-aad8-46499e46d444/full/843,/0/default.jpg)
![Zwei stehende Figuren (Two Standing Figures) [p. 7]](https://api.nga.gov/iiif/320fcf99-f286-46f5-a29b-d07627f500df/full/843,/0/default.jpg)
