Christie's New York, Impressionist and Modern Art Day Sale, 6 November, 2008, lot 323
A. Bowness, ed., Henry Moore, Sculpture and Drawings 1955-64, London, 1986, vol. 3, p. 53, no. 493a (another cast illustrated).
J. Hedgecoe, A Monumental Vision, The Sculpture of Henry Moore, London, 1998, p. 226, no. 457 (another cast illustrated in color, p. 227)