(1) Robert Hughs (1980) The Shock of the New: Modern Art, New York: Alfred A Knopf, hard cover with dust jacket, illustrated in colour.

(2) Edward Lucie-Smith (1999) Lives of the Great 20th-Century Artist's, London: Thames & Hudson, hard cover with dust jacket, illustrated in black and white and colour.

(3) Wendy Beckett (1994) The Story of Painting, London: Dorling Kindersley, hard cover with dust jacket, illustrated in colour.

(4) Klaus Honnef (1988) Contemporary Art, Köln: Taschen, hard cover with dust jacket, illustrated in colour.

(5) Doreen Ehrlich (1989) Masterpieces of 20th Century Art, London: Bison Group, hard cover with dust jacket, illustrated in colour.

(6) Various Authors (1973) Kuns as Avontuur, New York: Harry N Abrams. hard cover with dust jacket, illustrated in colour.