1968
National Gallery of Art, 1939
National Gallery of Art, 1956
National Gallery of Art, 1600
National Gallery of Art, 1935
National Gallery of Art, 1760
National Gallery of Art, 1884
National Gallery of Art, 1937
National Gallery of Art, 1952
National Gallery of Art, 1500
National Gallery of Art, 1740
National Gallery of Art, 2004
![The Challenge [right]](https://api.nga.gov/iiif/dc0829eb-3d6d-4b67-bdb2-448a227405fb/full/843,/0/default.jpg)
![Boote mit Menschen (Boats and Figures) [p. 59]](https://api.nga.gov/iiif/d9ed15b0-e773-461f-bf85-4dc7d6472f77/full/843,/0/default.jpg)
