Alan Bowness, ed. The Sculpture of Barbara Hepworth, 1960–69. New York, 1971.
Matthew Gale and Chris Stephens. Barbara Hepworth: Works in the Tate Collection and the Barbara Hepworth Museum, St Ives. London, 2001.
Gary Tinterow in "Recent Acquisitions, A Selection: 2006–2007." Metropolitan Museum of Art Bulletin 65 (Fall 2007), p. 62, ill. (color).
The Metropolitan Museum of Art Guide. New York, 2012, p. 429, ill. (color).