1899
National Gallery of Art, 1613
National Gallery of Art, 1941
National Gallery of Art, 1936
National Gallery of Art, 1940
National Gallery of Art, 1870
National Gallery of Art, 1884
National Gallery of Art, 1488
National Gallery of Art, 1942
National Gallery of Art, 1735
National Gallery of Art, 1935
National Gallery of Art, 1628
![Nilpferdkopf mit geöffnetem Maul (Hippo with Open Mouth) [p. 15]](https://api.nga.gov/iiif/e0b4fca7-23c6-4c78-8a45-28d44754b11d/full/843,/0/default.jpg)
![Francesco Receiving the Homage of Milan at the Porta Nuova [reverse]](https://api.nga.gov/iiif/1ab777b3-4423-48e9-a4cf-3bbc742407b7/full/843,/0/default.jpg)
![mehrere Figuren (Group Composition) [p. 16]](https://api.nga.gov/iiif/f04c63b6-6744-4fcb-9d63-1f2d03e03a3a/full/843,/0/default.jpg)
