1964–1974
National Gallery of Art, 1936
National Gallery of Art, 1964
National Gallery of Art, 1997
National Gallery of Art, 1589
National Gallery of Art, 1963
National Gallery of Art, 1874
National Gallery of Art, 1858
National Gallery of Art, 1978
National Gallery of Art, 1989
National Gallery of Art, 1937
![Study VI, New York Harbor [verso, #42, white]](https://api.nga.gov/iiif/2a5a0f7c-9313-473f-82e1-900ab2af98e8/full/843,/0/default.jpg)
![The Seasons (Summer) [state proof of 15th state]](https://api.nga.gov/iiif/cbf86e43-1854-412d-87d3-7f7bcc7d4157/full/843,/0/default.jpg)
