Hathausen, Charles Werner, Paul Klee : the formative years / Charles Werner Haythausen - New York : Garland, 1981 - 690 páginas : ilustraciones - Outstandind dissertations in the fine arts . ISBN: 0824039327 Subjects--Personal Names: Klee, Paul, 1879-1940 Subjects--Topical Terms: Pintores--Alemania--Biografia LC Class. No.: ND88.K5 / H39