1960
National Gallery of Art, 1884
National Gallery of Art, 1935
National Gallery of Art, 1937
National Gallery of Art, 1947
National Gallery of Art, 1938
National Gallery of Art, 1972
National Gallery of Art, 1920
National Gallery of Art, 1931
National Gallery of Art, 1919
National Gallery of Art, 1903
![Zirkusnummer mit zwei Seelöwen (Two Performing Sea Lions) [p. 25]](https://api.nga.gov/iiif/babd3538-3bc0-4cfc-b92d-fee645182715/full/843,/0/default.jpg)
![Kahn (Ship) [p. 3]](https://api.nga.gov/iiif/66280032-ff2a-43bb-8b44-dc258900f477/full/843,/0/default.jpg)
