Leo Castelli Gallery, New York
Janie C. Lee Gallery, Dallas
B. Smith, Donald Judd Catalogue Raisonné of Paintings, Objects, and Wood-Blocks 1960-1974 , Ottawa 1975, p.211 (illustrated).
New York, Leo Castelli Gallery, Group Show, October 1970.
St. Louis, The Helman Gallery, April 1970 (another example exhibited).
Dallas, Janie C. Lee Gallery, September 1970 (another example exhibited).