Four Panels from Untitled 1972 [D panel, trial proof 27] by Jasper Johns, Gemini G.E.L., Ron McPherson, Serge Lozingot, Charles Ritt, James Webb https://www.nga.gov/artworks/142430-four-panels-untitled-1972-d-panel-trial-proof-27
Los Angeles, California: Gemini G.E.L., unpublished, no. 557. 1978 Field, Richard