Literature
Exhibition catalogue, Barbara Hepworth: Recent Work, Sculpture, Paintings, Prints, London, Marlborough Fine Art, 1970, p. 26, no. 18, another cast illustrated.
Exhibition catalogue, Open Air Sculpture at Syon Park II, London, Gimpel Fils, 1970, n.p., no. 10, another cast illustrated.
A. Bowness (ed.), The Complete Sculpture of Barbara Hepworth 1960-69, London, 1971, p. 47, no. 473, pl. 14.
Exhibition catalogue, Barbara Hepworth, New York, Gimpel Gallery, 1971, no. 8, another cast illustrated on the cover.
Exhibition catalogue, Barbara Hepworth: 50 Sculptures from 1935 to 1970, London, Gimpel Fils, 1975, n.p., no. 54, another cast illustrated.
W.J. Strachan, Open Air Sculpture in Britain: A Comprehensive Guide, London, 1984, p. 212, no. 488, another cast illustrated.
E. Rosenberg, Architect's Choice: Art in Architecture in Britain since 1945, London, 1992, pp. 94-95, another cast illustrated.
P. Curtis, Barbara Hepworth, London, 1998, pp. 42, 46, pl. 45.
C. Haberlik, U. Braun and I.D. Mazzoni, 50 Klassiker Kunstlerinnen: Malerinnen, Bildhauerinnen und Photographinnen, Gerstenberg, 2002, p. 26, another cast illustrated.
P. Curtis and C. Stephens (eds.), Barbara Hepworth: Sculpture for a Modern World, London, Tate Britain, 2015, p. 95, fig. 90, another cast illustrated.
Exhibited
London, Gimpel Fils, Open Air Sculpture at Syon Park, Summer 1969.
London, Gimpel Fils, Open Air Sculpture at Syon Park II, Summer 1970, no. 10, another cast exhibited.
Hakone, Hakone Open-Air Museum, Barbara Hepworth Exhibition, June - September 1970, no. 30, another cast exhibited.
New York, Gimpel Gallery, Barbara Hepworth, May - April 1971, no. 8, another cast exhibited.
London, Gimpel Fils, Barbara Hepworth, October - November 1972, no. 32, another cast exhibited.
London, Gimpel Fils, Barbara Hepworth: 50 Sculptures from 1935 to 1970, October - November 1975, no. 54, another cast exhibited at Syon Park.
Bakewell, Chatsworth House, Beyond Limits, September - November 2007, exhibition not numbered, incorrectly listed as cast '1/2'.