Carroll Janis, New York
Sidney Janis Gallery, New York (acquired in 1971)
Vivian Horan Fine Art, New York
Acquired from the above by the present owner in 2011
Eduard Trier, Jean Arp Sculpture His Last Ten Years, New York, 1968, no. 329, pp. 126-27 (another example illustrated, p. 126)
Arie Hartog, ed., Hans Arp - Skulpturen – Eine Bestandsaufnahme (Hans Arp - Sculptures - A Critical Survey), Ostfildern, 2012, no. 329, p. 383 (another example illustrated)