1978
Kathan Brown, 1985
Patrons' Permanent Fund, 1968
Patrons' Permanent Fund, 1967
New Century Fund, 1874
Patrons' Permanent Fund, 1979
Patrons' Permanent Fund, 1747
Patrons' Permanent Fund, 1970
Patrons' Permanent Fund, 1976
New Century Fund, 1934
Patrons' Permanent Fund, 1775
Eugene L. Garbáty, 1987
![#1 (after 'Untitled 1975') [working proof]](https://api.nga.gov/iiif/3e7d05ce-f987-41ea-a420-f40a1df88ef0/full/843,/0/default.jpg)
![Double X [artist's proof]](https://api.nga.gov/iiif/c1e4dbec-05f9-4416-8219-4db9a10e75cd/full/843,/0/default.jpg)