1844–1907
National Gallery of Art, 1957
National Gallery of Art, 1884
National Gallery of Art, 1859
National Gallery of Art, 1951
National Gallery of Art, 1912
National Gallery of Art, 1938
National Gallery of Art, 1936
National Gallery of Art, 1800
National Gallery of Art, 1508
National Gallery of Art, 1660
National Gallery of Art, 1934
![Bildnis Friedrich Vordemberge-Gildewart (Portrait of Friedrich Vordemberge-Gildewart) [p. 56]](https://api.nga.gov/iiif/6f772ef7-2589-434b-a35e-4625b874567f/full/843,/0/default.jpg)
![Nilpferdkopf mit geöffnetem Maul (Hippo Mouth Open) [p. 27]](https://api.nga.gov/iiif/40890b8f-34f2-4042-a758-055cee939ead/full/843,/0/default.jpg)
