1919–1920
National Gallery of Art, 1927
National Gallery of Art, 1985
National Gallery of Art, 1936
National Gallery of Art, 1860
National Gallery of Art, 1836
National Gallery of Art, 1940
National Gallery of Art, 1923
National Gallery of Art, 1620
National Gallery of Art, 1941
National Gallery of Art, 1837
National Gallery of Art, 2000
![Over the River, Project for the Arkansas River, Colorado [top panel]](https://api.nga.gov/iiif/e9145a59-937c-46b6-873c-ca2205e15fd0/full/843,/0/default.jpg)