1884–1950
National Gallery of Art, 1975
National Gallery of Art, 1939
National Gallery of Art, 1973
National Gallery of Art, 1868
National Gallery of Art, 1916
National Gallery of Art, 1951
National Gallery of Art, 1808
National Gallery of Art, 1944
National Gallery of Art, 1935
National Gallery of Art, 1915
National Gallery of Art, 1968
![Sitzender Affe (Sitting Monkey) [p. 35]](https://api.nga.gov/iiif/e4636645-10da-40c5-a8dd-7114747e700b/full/843,/0/default.jpg)
![Abstract Composition in Brown, Green, Blue, Black, and Orange [recto]](https://api.nga.gov/iiif/ed39a8e4-f071-48f3-88b1-56df19e82e1f/full/843,/0/default.jpg)
