John Golding. Cubism: A History and an Analysis 1907–1914. 2nd rev. ed. (1st ed., 1959). New York, 1968, p. 132, colorpl. C (1959 ed., ill. front cover). Jean Leymarie in Juan Gris. Exh. cat., Orangerie des Tuileries. Paris, 1974, p. 13.Michèle Richet and Claudie Judrin in Juan Gris. Exh. cat., Orangerie des Tuileries. Paris, 1974, p. 80, no. 17, ill. pp. 26 (color), 80. Werner Spies. "Juan Gris oder: Der Gang durch das Prisma." Frankfurter Allgemeine (April 22, 1974), p. 25, ill.Juan Antonio Gaya-Nuño. Juan Gris. Boston, 1975, p. 247, no. 249, ill. p. 213.Douglas Cooper with Margaret Potter. Juan Gris: Catalogue raisonné de l'oeuvre peint. Paris, 1977, vol. 1, pp. XL, 92–93, no. 53, ill. Malcolm Gee. Dealers, Critics, and Collectors of Modern Painting: Aspects of the Parisian Art Market Between 1910 and 1930. PhD. diss., Courtauld Institute of Art. New York, 1981, appendix F, pp. 68, 84, no. 52. Juan Antonio Gaya Nuño. Juan Gris. New York, 1986, colorpl. 43.William S. Lieberman in Twentieth Century Modern Masters: The Jacques and Natasha Gelman Collection. Ed. William S Lieberman. Exh. cat., The Metropolitan Museum of Art. New York, 1989, p. 13.Sabine Rewald in Twentieth Century Modern Masters: The Jacques and Natasha Gelman Collection. Ed. William S Lieberman. Exh. cat., The Metropolitan Museum of Art. New York, 1989, pp. 122–23, 301, ill. (color and bw). Gary Tinterow in Twentieth Century Modern Masters: The Jacques and Natasha Gelman Collection. Ed. William S Lieberman. Exh. cat., The Metropolitan Museum of Art. New York, 1989, p. 34.Grace Glueck. "A Surprise, and Then a Collection." New York Times (February 28, 1997), p. C31.Christian Derouet, ed. Juan Gris: Correspondances avec Léonce Rosenberg, 1915–1927. Paris, 1999, p. 67, letter no. 104 n. 17. Roberta Smith. "In a Brash Yet Refined School, Everyone Belongs Together." New York Times (June 15, 2001), p. E37. María Dolores Jiménez-Blanco, ed. Juan Gris: Correspondencia y escritos. Barcelona, 2008, p. 182 n. 287.