Josef Paul Hodin, Barbara Hepworth, Neuchâtel, 1961, no. 222, p. 169
Barbara Hepworth, An Exhibition of Sculpture from 1952-1962 (exhibition catalogue), Whitechapel Art Gallery, London, 1962, no. 25, illustration of another example n.p.
Edwin Mullins, "The Ecole de Paris" in Apollo, London, June 1962, vol. LXXVI, new series no. 4, mentioned p. 301 (titled Orpheus)
Anita Brookner, "Current and Forthcoming Exhibitions: London" in The Burlington Magazine, London, June 1962, vol. 104, no. 711, mentioned p. 272 (titled Orpheus)
Robert Haines, "Rodin and Modern British Sculpture" in Quarterly, Art Gallery of New South Wales, Sydney, July 1963, vol. 4, no. 4, illustration of another example p. 154 (titled Orpheus)
Barbara Hepworth, Barbara Hepworth: Drawings from a Sculptor’s Landscape, London, 1966, illustration of another example p. 22
Joe Illingworth, "Dame Barbara’s Gift to Tate" in Yorkshire Post, Leeds, December 5, 1967, mentioned (titled Theme on Electronics (Orpheus))
Richard Seddon, "Nine Hepworth sculptures for the Tate" in Birmingham Post, Birmingham, December 6, 1967, mentioned (titled Theme on Electronics (Orpheus))
"Dame Barbara Hepworth: Major gifts to the Tate Gallery" in Arts Review, London, December 23, 1967, illustration of another example n.p. (titled Theme on Electronics (Orpheus))
Guy Burn, "Hepworth" in Arts Review, London, April 13, 1968, vol. 20, no. 7, mentioned p. 184
Tate Gallery Publications, ed., The Tate Gallery 1967-8, London, 1968, illustration of another example p. 14
Barbara Hepworth (exhibition catalogue), The Tate Gallery, London, 1968, no. 82, illustration of another example p. 30
Barbara Hepworth, Barbara Hepworth: A Pictorial Autobiography, Bath, 1970, no. 197, illustration of the larger version p. 74
Art Gallery of New South Wales, ed., Art Gallery of New South Wales Picturebook, Sydney, 1972, no. 57, illustration of another example n.p.
David Fraser Jenkins, Barbara Hepworth: A Guide to the Tate Gallery Collection at London and St Ives, Cornwall, London, 1982, illustration of another example p. 30
Edmund Capon & Jan Meek, eds., Portrait of a Gallery, Sydney, 1984, pp. 91-95
Sally Festing, Barbara Hepworth: A Life of Forms, London, 1995, mentioned pp. 224-25
Wendy Symonds, ed., "Close-Ups of the Collection" in Look, Heidelberg, June 1997, illustration of another example p. 6
Matthew Gale & Chris Stephens, Barbara Hepworth: Works in the Tate Gallery Collection and the Barbara Hepworth Museum St Ives, London, 1999, illustration in color of another example p. 161
Penelope Curtis & Chris Stephens, eds., Barbara Hepworth, Valencia, 2004, mentioned p. 107
Tate Publishing, ed., Barbara Hepworth: Sculpture for a Modern World, London, 2015, illustration of another example p. 80
Regine Prange, ed., The Problem of Form. The Interplay between Modern Art and the Discipline of Art History and Theory (1890-1960), Berlin, 2016, illustration in color of another example p. 380