1724–1811
National Gallery of Art, 1475
National Gallery of Art, 1613
National Gallery of Art, 1971
National Gallery of Art, 1504
National Gallery of Art, 1939
National Gallery of Art, 1935
National Gallery of Art, 1880
National Gallery of Art, 1937
National Gallery of Art, 1898
National Gallery of Art, 1792
National Gallery of Art, 1978
National Gallery of Art, 1924
![Allegory on Copulation [verso]](https://api.nga.gov/iiif/2f2b5198-1116-4cad-8c1d-868641b7247a/full/843,/0/default.jpg)
![WEG I from White Embossings on Gray [artist's proof]](https://api.nga.gov/iiif/4dc94055-c252-4edf-be4b-dc355e14c84e/full/843,/0/default.jpg)
