1928
Patrons' Permanent Fund, 1535
Dan and Mary Solomon, 1941
Patrons' Permanent Fund, 1973
Dan and Mary Solomon, 1945
Dan and Mary Solomon, 1972
Patrons' Permanent Fund, 1967
Patrons' Permanent Fund, 1962
Patrons' Permanent Fund, 1976
Dan and Mary Solomon, 1928
Dan and Mary Solomon, 1965
Patrons' Permanent Fund, 1969
![Alphabets [working proof]](https://api.nga.gov/iiif/41169ed4-aafc-484a-bb9e-5ff0eeec2304/full/843,/0/default.jpg)
![#1 (after 'Untitled 1975') [working proof]](https://api.nga.gov/iiif/3e7d05ce-f987-41ea-a420-f40a1df88ef0/full/843,/0/default.jpg)
![Figure 4 [working proof]](https://api.nga.gov/iiif/1b40501b-1a1a-4c49-9a62-8d0bc7f31ac3/full/843,/0/default.jpg)