Paul Klee : Retrospective (Nagoya, Aichi Prefectural Museum of Art, 02.04 - 23.05.1993 ; The Yamaguchi, Prefectural Museum of Art, 01.06 - 25.07.1993 ; Tokyo, The Bunkamara Museum of Art, 31.07 - 21.09.1993). - Schmalenbach, Werner (Aichi Prefectural Museum of Art, 1993)