"Sketches by Mary Cassatt, A Glimpse of America's Most Noted Woman Painter," Pictures on Exhibit, vol. I, April 1938, p. 15 (illustrated; titled Le repos).
A.D. Breeskin, Mary Cassatt, A Catalogue Raisonné of the Oils, Pastels, Watercolors, and Drawings, Washington, D.C., 1970, p. 139, no. 315 (illustrated).
N.C. Muller, Paintings and Drawings at the Shelburne Museum, Shelburne, Vermont, 1976, p. 39, note 1.
New York, Arthur Harlow Gallery, April 1938.