Literatūra
Chevalier, Denys, Klee, New York: Crown Publishers, Inc., 1979.
Fiedler, Jeanine; Peter Feierabend, Bauhaus, Germany: Tandem Verlag GmbH, 2006.
Hisamatsu, Shin’ichi, Zen and the Fine Arts, NY: Kodasha International Ltd., through Harper and Row Publishers, 1982.
Itten, Johannes, The...