1980–1989
National Gallery of Art, 1936
National Gallery of Art, 1890
National Gallery of Art, 1731
National Gallery of Art, 1939
National Gallery of Art, 1878
National Gallery of Art, 1570
National Gallery of Art, 1958
National Gallery of Art, 1654
National Gallery of Art, 1559
National Gallery of Art, 1965
National Gallery of Art, 1596
National Gallery of Art, 1966
![WLS VIII from White Line Squares (Series I) [artist's proof]](https://api.nga.gov/iiif/3fe6f7ec-b458-4bd6-858c-9bd399b9365c/full/843,/0/default.jpg)