
"Notes on Abstract Art" in Herbert Read's Ben Nicholson: Paintings, Reliefs, Drawings (London, 1948)
in Henry Moore on Sculpture, James, Philip, New York: Viking Press, (1967), p. 68
1955 - 1970
"Notes on Abstract Art" in Herbert Read's Ben Nicholson: Paintings, Reliefs, Drawings (London, 1948)
Jasper Johns: 'I have attempted to develop my thinking', Vivien Raynor, Artnews 72 no. 3, March 1973, p. 20-22
1970s
1880s, 1880, Letter to Theo (Cuesmes, July 1880)
In a letter about his 'Equivalents' to w:Hart Crane; as quoted in Photography as High Art, Hilton Kramer, (1982-12-19)., in 'New York Times'. p. 1. Retrieved 2008-12-26; as quoted on Wikipedia.
The Examined Life (1989)
Source: 1961 - 1975, Barbara Hepworth, A Pictorial autobiography', 1970, p. 285