Private collection, Milan, mid 1950s
Thence by descent
Acquired from the above by the present owner
Nancy Grove and Diane Botnick, The Sculpture of Isamu Noguchi, 1924–1979: A Catalogue, New York, 1980, cat. no. 820 31N
Isamu Noguchi and Seibu Bijutsukan, Isamu Noguchi: Space of Akari and Stone, San Francisco, 1986, p. 67
Alexander von Vegesack, et al., eds., Isamu Noguchi, Sculptural Design, exh. cat., Vitra Design Museum, Weil am Rhein, 2001, p. 274