1969
Patrons' Permanent Fund, 1967
Patrons' Permanent Fund, 1995
Gemini G.E.L., 1976
Gemini G.E.L., 1969
Richard Wilke, 1969
Patrons' Permanent Fund, 1976
Patrons' Permanent Fund, 1981
Gemini G.E.L., 1979
Patrons' Permanent Fund, 2000
Gemini G.E.L., 1992
Jasper Johns, 1960
Jasper Johns, 1968
![Figure 7 [trial proof]](https://api.nga.gov/iiif/c4c2b990-d784-4391-b170-bce485df9b0a/full/843,/0/default.jpg)
![0 through 9 [trial proof]](https://api.nga.gov/iiif/63c325e5-9319-4d8e-85c5-ff680a318e84/full/843,/0/default.jpg)
![Untitled (Purple Mezzotint) [trial proof L]](https://api.nga.gov/iiif/1aaae28a-1639-4437-988a-cc42f31e7669/full/843,/0/default.jpg)
![Figure 4 [trial proof]](https://api.nga.gov/iiif/4f68c2e2-8598-4f03-b473-0d4a127c6a0e/full/843,/0/default.jpg)
![Figure 9 [trial proof]](https://api.nga.gov/iiif/1520fef4-8093-472e-93aa-8724458aefcc/full/843,/0/default.jpg)
![Figure 5 [trial proof 9]](https://api.nga.gov/iiif/772f0271-77c6-4006-8784-7c53b89e9805/full/843,/0/default.jpg)
![Cicada [working proof]](https://api.nga.gov/iiif/48f7ed65-bd54-4fba-a832-9c937c40a8c3/full/843,/0/default.jpg)
