1976–1977
Gemini G.E.L., 1972
Gemini G.E.L., 1971
Gemini G.E.L., 1996
Gemini G.E.L., 1967
Gemini G.E.L., 1970
Gemini G.E.L., 1973
Gemini G.E.L., 1981
Gemini G.E.L., 1980
Gemini G.E.L., 1976
![Delaware Crossing [color trial proof]](https://api.nga.gov/iiif/2ff91d54-7f72-4d2a-a26a-cf3b4aa79feb/full/843,/0/default.jpg)
![Cicada [working proof]](https://api.nga.gov/iiif/d6e1ca92-f9e1-410e-aa2b-ca26f0402d60/full/843,/0/default.jpg)
![Bookplate for the Friends of the Sarah Lawrence College Library [trial proof]](https://api.nga.gov/iiif/a804681a-05af-4413-9667-a13d4c9041b5/full/843,/0/default.jpg)