1951
National Gallery of Art, 1956
National Gallery of Art, 1940
National Gallery of Art, 1837
National Gallery of Art, 1830
National Gallery of Art, 1935
National Gallery of Art, 1623
Frank, Robert, 1956
National Gallery of Art, 1903
National Gallery of Art, 1987
National Gallery of Art, 1889
National Gallery of Art, 1598
![Harbor with Sail Boats [verso]](https://api.nga.gov/iiif/0cab06a9-25db-4ce5-a08c-552adce5ee2a/full/843,/0/default.jpg)
