Jeffrey Spahn Gallery, Berkeley
Acquired from the above by the present owner
John Mason solo exhibition, Ferus Gallery, Los Angeles, October-November 1957
Mary Davis MacNaughton, ed., Clay’s Tectonic Shift: John Mason, Ken Price and Peter Voulkos, 1956-1968, exh. cat., Ruth Chandler Williamson Gallery, Scripps College, Claremont, 2012, illustrated p. 44
Erica Olsen, ed., John Mason: Sculpture 1950-2010, exh. cat., Ruth Chandler Williamson Gallery, Scripps College, Claremont, 2018, illustrated p. 170