Dates are not always precisely known, but the Art Institute strives to present this information as consistently and legibly as possible. Dates may be represented as a range that spans decades, centuries, dynasties, or periods and may include qualifiers such as c. (circa) or BCE.
Jürg Spiller, ed., Paul Klee. Das bildnerische Denken. Form- und Gestaltungslehre, vol. 1 (Basel/Stuttgart, 1956), p. 180.
“Accession of American and Canadian Museums,” Art Quaterly 23 (Autumn 1960), p. 318 (ill.), no. 2.
Richard Verdi, “Musical Influences on the Art of Paul Klee,” Museum Studies III (1968), pp. 94-95, 97 (ill.), no. 14.
Richard Verdi, “Musikalische Einflüsse be Klee,” Melos XL (January/February 1973), p. 17 (ill.).
A. James Speyer and Courtney Graham Donnell, Twentieth-Century European Paintings (Chicago, 1980), p. 49, no. 2C12.
Paris, Bergguen & Cie. Alexander M. Bing, New York, to 1959. Bequeathed by him to the Art Institute.
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