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.
A. James Speyer and Courtney Graham Donnell, Twentieth-Century European Paintings (Chicago: University of Chicago Press, 1980), pp. 16, 74, no. 4C2, as Portrait of Marcel Duchamp, 1950.
Maxine Kunstadter (d. Feb. 12, 1978), Chicago; bequeathed to the Art Institute of Chicago, Dec. 12, 1978.
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