Paul Klee : the nature of creation : works 1914 - 1940 : exhibition organised by the Hayward Gallery, London , 17 January - 1 April 2002 / Robert Kudielka ; with an essay by Bridget Riley. - London : Hayward Gallery ; Lund and Humpreys, 2002. - 205 s. : runsaasti kuv. ; 29 cm
0-85331-853-0 (hardrback) (Lund & Humphries edition) ; 1-85552-224-5 (paperback) (Hayward gallery edition)