1978
Crown Point Press, 1980
Kathan Brown, 1984
Kathan Brown, 1991
Crown Point Press, 1991
Kathan Brown, 2006
Crown Point Press, 1996
Kathan Brown, 1965
Crown Point Press, 2000
Kathan Brown, 2001
Kathan Brown, 1981
Kathan Brown, 1990
Crown Point Press, 1999
![Umbria Verde [working proof 8]](https://api.nga.gov/iiif/adaf15b2-087e-4a88-87e7-1932369952e9/full/843,/0/default.jpg)
![Element C [right panel]](https://api.nga.gov/iiif/ef78f9ac-354f-4ac2-9728-f766ed0dd6d5/full/843,/0/default.jpg)
![Untitled (#2) [working proof 34]](https://api.nga.gov/iiif/9af1361c-f4f3-42ff-9eb0-391f1b829214/full/843,/0/default.jpg)