Album of 45 study sketches

Atelier Degas - René de Gas, Paris - Maurice Le Garrec, Paris, 1921 - The Metropolitan Museum  of Art, 1973.

https://www.metmuseum.org/art/collection/search/334322

New York, The Metropolitan Museum of Art, 1975, Impressionist Epoch - New York, The Metropolitan Museum of Art, 1975-1976, Drawings recently acquired - New York, The Metropolitan Museum of Art, 1977, Degas in the Metropolitan - New York, The Metropolitan Museum of Art, 1995, Drawings and Prints. Selection from the Permanent Collection - Detroit, Detroit Institute of Arts, 2002-2003, Degas and the Dance - Philadelphie, Philadelphia Museum of Art, 2003, Degas and the Dance - New York, Museum of Modern Art, 2016, Edgar Degas. A Strange New Beauty - Paris, musée d'Orsay, 2019-2020, Degas à l'Opéra.

Reff, The Notebooks of Edgar Degas, 1976, pl. 2, pp. 144-147 (repr.) - De Vonyar, Kendall, Cat. exp. Detroit, Philadelphie, New York, 2002-2003, Degas and the Dance, fig. 156, repr. p. 144 - DeVonyar, Kendall, Cat. exp. Londres, Royal Academy of Arts, 2011, Degas and the Ballet. Picturing Movement, fig. 22, pp. 62-63 (repr.) - Hauptman, Cat. exp. New York, Museum of Modern Art, 2016, Degas : A Strange New Beauty, n° 23, pp. 78, repr. p. 228 - Loyrette, Cat. exp. Washington, Paris, 2019, Degas à l'Opéra, à rapprocher des numéros 145 et 146, p. 158.