J.S. Boggs, Portraits by Degas, Berkeley, 1962, p. 123.
T. Reff, "The Chronology of Degas's Notebooks," The Burlington Magazine, vol. 107, no. 753, December 1965, pp. 606, 609 and 615.
T. Reff, "The Pictures within Degas's Pictures," Metropolitan Museum Journal, vol. I, 1968, pp. 156-157 (notebook page 1 illustrated, fig. 38).
T. Reff, Degas, The Artist's Mind, New York, 1976, pp. 132-133 (notebook page 1 illustrated, fig. 96).
C.W. Millard, "Theodore Reff, The Notebooks of Edgar Degas, A Book Review," The Art Bulletin, vol. 60, no. 3, September 1978, pp. 567-568.
G. Adriani, Edgar Degas, Pastelle, Ölskizzen, Zeichnungen, exh. cat., Kunsthalle Tübingen, 1984, p. 66.
T. Reff, The Notebooks of Edgar Degas, New York, 1985, vol. I, pp. 139-140, no. 33 (sixteen pages illustrated, vol. II).
R. Kendall, Degas and the Little Dancer, exh. cat., Joslyn Art Museum, Omaha, 1998, pp. 83-86 and 88-90 (eight notebook pages illustrated, figs. 54-56 and 58-59).
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