1935–1943
National Gallery of Art, 1829
National Gallery of Art, 1961
National Gallery of Art, 1965
National Gallery of Art, 1929
National Gallery of Art, 1976
National Gallery of Art, 1884
National Gallery of Art, 1863
National Gallery of Art, 1820
National Gallery of Art, 1969
National Gallery of Art, 1509
National Gallery of Art, 1778
![Zirkusnummer mit zwei Seelöwen (Two Performing Sea Lions) [p. 23]](https://api.nga.gov/iiif/5c981ba4-fe0b-4f09-bd11-902a92ad577e/full/843,/0/default.jpg)
![Figur aus einer Tür tretend (Figure Stepping through a Door) [p. 23]](https://api.nga.gov/iiif/b47b59f1-f90e-49f0-90f4-f85556f636c1/full/843,/0/default.jpg)
