1990
Glenstone, 1974
Glenstone, 1977
Glenstone, 1948
Glenstone, 1973
Glenstone, 1976
Glenstone, 1975
Glenstone, 1980
![0 through 9 [working proof]](https://api.nga.gov/iiif/bb5749dc-fe7a-479b-80ce-942cd2d6de4e/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [D panel, trial proof 22]](https://api.nga.gov/iiif/df57963a-61bd-4201-a557-e98a477a446d/full/843,/0/default.jpg)
![Untitled [proof]](https://api.nga.gov/iiif/c3ed1d34-47b6-417d-b3c6-f769ef92d152/full/843,/0/default.jpg)
![Flagstones (a) [trial proof 4]](https://api.nga.gov/iiif/9bdce20f-9ef6-48c5-9427-34ec501deab4/full/843,/0/default.jpg)
![Rejected Plates: Hand [trial proof 1]](https://api.nga.gov/iiif/0315356b-f3dc-4485-bddf-65fd5c5233c2/full/843,/0/default.jpg)
![3 [trial proof]](https://api.nga.gov/iiif/6c7d9b38-3929-4e01-b21f-317c32e254c7/full/843,/0/default.jpg)
![Target with Plaster Casts [state proof of 4th state]](https://api.nga.gov/iiif/1ff6f8ac-4812-481d-ad07-985d4618c7f5/full/843,/0/default.jpg)
![0-9 [trial proof, figure 8]](https://api.nga.gov/iiif/c6f9bd99-a732-44ca-836c-3d89455c5b64/full/843,/0/default.jpg)
![Ale Cans [working proof]](https://api.nga.gov/iiif/7c603005-8a8d-4580-9ccc-f19c222e38e0/full/843,/0/default.jpg)
![Leg (a) [trial proof 5]](https://api.nga.gov/iiif/76fcd1af-d175-4901-8f85-e4cda2096764/full/843,/0/default.jpg)