Tim Hilton, 'Phillip King', Guardian, 10 July 1970.
John Russell, 'Phillip King', Artnews, vol. 69, no. 5, September 1970, pp.24-6.
Anne Seymour, 'Phillip King', in The Alistair McAlpine Gift, London: Tate Gallery, 1971 (exhibition catalogue), pp.64-71, cf. pp.70-1.
Dr R.W.D. Oxenaar and David Thompson, Phillip King, Otterlo, The Netherlands: Kröller-Müller National Museum, 1974 (exhibition catalogue), p.38.
Lynne Cooke, The Sculpture of Phillip King 1960-72, MA Report, Courtauld Institute of Art, 1978.
Robert Kudielka and Lynne Cooke, Phillip King, London: Arts Council of Great Britain, 1981 (exhibition catalogue), p.24.
Tim Hilton, The Sculpture of Phillip King, London: Lund Humprhies and The Henry Moore Foundation, 1992, p.112.