1934–2007
Glenstone, 1979
Glenstone, 1976
Glenstone, 1980
Zwirner & Wirth, 1968
Glenstone, 1975
Glenstone, 1973
Glenstone, 1981
![Target with Four Faces [working proof]](https://api.nga.gov/iiif/320f78d1-a64a-4d44-8e92-33f5bf76c28c/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)
![Buttocks and Knee [trial proof 1]](https://api.nga.gov/iiif/79d3a6de-c577-4d92-8782-678fb3113d43/full/843,/0/default.jpg)
![Two Flags [trial proof A]](https://api.nga.gov/iiif/c5dcdd6b-0872-491e-823a-b0ffa3fcd0fe/full/843,/0/default.jpg)
![Ale Cans [trial proof]](https://api.nga.gov/iiif/9c696086-559e-41bd-9c46-f3e01e892a9d/full/843,/0/default.jpg)
![Knee [trial proof]](https://api.nga.gov/iiif/fdb17cd2-18fd-4429-a4ac-a12debaa49af/full/843,/0/default.jpg)
![Flashlight [working proof]](https://api.nga.gov/iiif/7041a2e4-a8bd-4dfe-ab24-4e4d9853d226/full/843,/0/default.jpg)
![Cicada II [trial proof]](https://api.nga.gov/iiif/9f2dd446-64d2-4344-a0c4-e4499f1a88d8/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [D panel, working proof 11]](https://api.nga.gov/iiif/c52610ce-e15e-4682-9b6d-c9126a116c62/full/843,/0/default.jpg)
![Flagstones (b) [trial proof 1]](https://api.nga.gov/iiif/7526fe28-ba05-41c2-adee-3c6b2613ec00/full/843,/0/default.jpg)
![Face [trial proof 12]](https://api.nga.gov/iiif/261f27d6-27cb-439e-a492-a53fd469197e/full/843,/0/default.jpg)