1930–1939
National Gallery of Art, 1997
National Gallery of Art, 1941
National Gallery of Art, 1630
National Gallery of Art, 1607
National Gallery of Art, 1940
National Gallery of Art, 1520
National Gallery of Art, 1460
National Gallery of Art, 1977
National Gallery of Art, 1926
National Gallery of Art, 1641
National Gallery of Art, 1928
National Gallery of Art, 1990
![Sweet Pine [working proof 2]](https://api.nga.gov/iiif/3df057a6-2650-47e5-9a48-932b937de802/full/843,/0/default.jpg)
![Merhav [Open Space]](https://api.nga.gov/iiif/ef31c7f5-84c9-44e8-96bc-2353ab01a829/full/843,/0/default.jpg)