1981
National Gallery of Art, 1872
National Gallery of Art, 1852
National Gallery of Art, 1425
National Gallery of Art, 1961
National Gallery of Art, 2022
National Gallery of Art, 2005
National Gallery of Art, 1936
National Gallery of Art, 1940
National Gallery of Art, 2007
National Gallery of Art, 1884
National Gallery of Art, 1987
National Gallery of Art, 1903
![Abstraction, Belief, Desire [working proof 7 for panel C]](https://api.nga.gov/iiif/a605cd63-7455-4a42-82ec-7972bcf2b73f/full/843,/0/default.jpg)
![Rad eines Schubkarrens (Wheel of a Wheelbarrow) [p. 3]](https://api.nga.gov/iiif/1eb0c37a-6b05-4963-831e-7b516092e896/full/843,/0/default.jpg)
