1987
Helen Frankenthaler, 1968
Turtell, Neal, Mr., 1995
Tyler Graphics Ltd., 1976
Kenneth Tyler, 1968
Helen Frankenthaler, 1971
Turtell, Neal, Mr., 1982
Helen Frankenthaler, 1998
Kenneth Tyler, 1965
Tyler Graphics Ltd., 1980
Helen Frankenthaler, 1973
Lee Funderburg, 1985
![Figure 7 [trial proof]](https://api.nga.gov/iiif/f3771b79-765f-4336-addb-4c11704fc68d/full/843,/0/default.jpg)
