Maria Marc (1876-1955), Ried, Germany, until at least 1936 . Curt Valentin, New York; John S. Newberry (1910-1964), New York, by 1948 ; acquired by The Museum of Modern Art, New York, 1964 (John S. Newberry Collection).
 "Nachlass Franz Marc bestätigt Maria Marc/ Blaues Pferd mit Regenbogen" verso, lower center sheet, pencil, hand of Maria Marc. See Alois J. Schardt, Franz Marc, Berlin: Rembrandt-Verlag, 1936, p. 168, no. 20 ("Pferd im Regenbogen"), which lists the work as being in the collection of Maria Marc. Included in the exhibition "Franz Marc: Gedächtnisausstellung," Galerie Nierendorf, Berlin, May 1936 (no. 62: Pferd im Regenbogen, 1914).
 Included in the exhibition "Drawings and Watercolors, XIX and XX Centuries: From the Collection of John S. Newberry, Jr.," Fogg Museum of Art, Harvard University, Cambridge, February 12-March 31, 1948.
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