1983–1986
Petersburg Press, 1975
Petersburg Press, 1969
Hauslohner, Robert A., Mr. and Mrs., 1983
Petersburg Press, 1974
Francesco Clemente, 1983
Petersburg Press, 1976
Petersburg Press, 1980
Petersburg Press, 1983
Rolf Neumann, 1983
![9 [trial proof]](https://api.nga.gov/iiif/5826927e-864e-402f-bef0-9cfe04e83c3a/full/843,/0/default.jpg)
![Untitled I [trial proof]](https://api.nga.gov/iiif/8a635123-0daa-4272-92a3-ec94f7e92cb9/full/843,/0/default.jpg)
![Four Panels (DABC) [trial proof 1]](https://api.nga.gov/iiif/f50b1509-4298-4265-9c13-3888d78725cf/full/843,/0/default.jpg)
![Target with Plaster Casts [working proof]](https://api.nga.gov/iiif/1e7a1c68-3d67-43fa-b3d3-c8f30a46f6c6/full/843,/0/default.jpg)
![Untitled (State Proofs and Proofs of Numbers) [state proof]](https://api.nga.gov/iiif/e87f8590-6168-4621-978a-f4f30681de58/full/843,/0/default.jpg)
