The Art Institute of Chicago, Paintings in The Art Institute of Chicago (Chicago, 1961), p. 251.
The Paul Klee Foundation, Paul Klee: Catalogue Raisonné, 7 (Bern, 2003), p. 422, no. 7406 (ill.).
Lucerne, Galerie Rosengart, "Paul Klee," June-September, 1948, cat. 39, as: "Le Duc n’est pas seul"; traveled to Antwerp, Galerij Artes, March, 1949; and Liège, Belgium, the Association pour le Progres d’Art, April 9-21, 1949.
By descent to the artist’s wife, Lily Klee (1876-1946), 1940; Klee Gesellschaft, Bern, from 1946 [according to the Klee Foundation 2003]; sold to Galerie Rosengart, Lucerne, by April 1949 [according to a letter from Angela Rosengart dated April 20, 1977 in curatorial file and the Klee Foundation 2003]; sold to the Art Institute, 1951.
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