1838–1850
Bruce Fund, Ailsa Mellon, 1896
National Gallery of Art, 1884
National Gallery of Art, 1599
National Gallery of Art, 1825
National Gallery of Art, 1903
National Gallery of Art, 1910
National Gallery of Art, 1918
National Gallery of Art, 1543
National Gallery of Art, 1938
National Gallery of Art, 1521
National Gallery of Art, 1941
National Gallery of Art, 1962
![Sitzender Elefant (Seated Elephant) [p. 73]](https://api.nga.gov/iiif/77c47f93-321c-4df1-b3f4-a9adbbacd93c/full/843,/0/default.jpg)
![City Landscape [verso]](https://api.nga.gov/iiif/82cf0e1b-af15-451d-9eac-b30145dd31f2/full/843,/0/default.jpg)
![Mehrfigurige Kompositionsskizze (Figural Composition) [p. 41]](https://api.nga.gov/iiif/d893b10d-3528-4c40-a841-8ebda6c16252/full/843,/0/default.jpg)
![Caspar von Mulheim, 1506-1570/1571, Counselor of Cologne [obverse]](https://api.nga.gov/iiif/9129798e-69f0-48fd-94c5-75f53e434660/full/843,/0/default.jpg)
