1Durand-Ruel Paris • 1895–1908 Acquired from the artist on 26 March 1895 (Photo Durand-Ruel Paris 636), E-mail- message from Durand-Ruel & Cie., Paris, to Foundation E.G. Bührle Collection, Zurich, 18 November 2021. The pastel was transferred to Durand-Ruel New York in March 1895 and sent back to Paris in July of the same year, E-mail-message as above.
2(G.) Eckhard 1908 Acquired from the above on 6 February 1908 (Photo Durand-Ruel 3623), E-mail message as above, n. (1).
3Lady Waterlow, née Margaret Hamilton [d.] 1931 AStEGB, Inventory Card Cassatt, Sleepy Thomas; Breeskin no. 226.
4Marlborough Fine Art Ltd. London • by 1953 AStEGB, Sale confirmation from Trafo, Anstalt für Handel und Finanz, Vaduz [Marlborough Fine Art Ltd., London], signed by F. K. Lloyd, to Emil Bührle, 1 October 1953, regarding a group of 10 artworks sold to Bührle for a total sum of £ 40.000 (=CHF 480.000), including Cassatt, Sleepy Thomas. Payment of this amount will be made in two installments, £ 27.000 from a Swiss account in London to Marlborough Fine Art Ltd., London, and £ 13.000 at an exchange rate of 12 CHF=1 £ (=CHF 156.000) to be transferred to Trafo's account with UBS Zurich.
5Emil Bührle Zurich • 2 October 1953 until [d.] 28 November 1956 Acquired from the above for £ 1.400 (less a 6% discount), Sale confirmation as above, with prices for each artwork handwritten by Emil Bührle; AStEGB, Payment order from Emil Bührle to Industrie- und Handelsbank, Zurich, 1 October 1953 for the sum of CHF 156.000 to be transferred to Trafo, Vaduz, and Confirmation of execution of payment from Industrie- und Handelsbank, Zürich, 2 October 1953.
6Given by the heirs of Emil Bührle to the Foundation E.G. Bührle Collection Zurich • 1960 Inv. 11.
AStEGB = Archive of the Foundation E.G. Bührle Collection, Zurich
Adelyn Dohme Breeskin, Mary Cassatt, A Catalogue Raisonné of the Oils, Pastels, Watercolours and Drawings, Washington D.C., 1970.
1893Exposition de tableaux, pastels et gravures de Mary Cassatt Galerie Durand-Ruel • Paris • 1893 no. 23.
1895Exposition of Paintings, Pastels & Etchings by Miss Mary CassattGalerie Durand-Ruel • New York • 1895 no. 15.
1907Modern French Paintings City Art Gallery • Manchester • 1907–08 no. 72.
2008Impressionistinnen, Berthe Morisot, Mary Cassatt, Eva Gonzales (Women Impressionists, Berthe Morisot, Mary Cassatt, Eva Gonzales) Schirn Kunsthalle • Frankfurt/M • 2008 p. 168.
2010Van Gogh, Cézanne, Monet, Die Sammlung Bührle zu Gast im Kunsthaus Zürich Kunsthaus Zurich • 2010 no. 11.
2018Mary Cassatt, Une impressionniste américaine à Paris Musée Jacquemart-André • Paris • 2018 no. 25.
1970Adelyn Dohme Breeskin Mary Cassatt, A Catalogue Raisonné of the Oils, Pastels, Watercolors and Drawings Washington D.C. • 1970 • no. 226 (ill.).
1973Leopold Reidemeister etc. Stiftung Sammlung Emil G. Bührle • Fondation Collection Emil G. Bührle • Foundation Emil G. Bührle Collection Zurich & Munich • 1973 • no. 75 (ill.;21986).
1994Emil Maurer Stiftung Sammlung E.G. Bührle, Zürich Bern • 1994 • p. 31 (English edition: Foundation E.G. Bührle Collection, Zurich, Bern 1995).
2005Lukas Gloor • Marco Goldin (ed.)Foundation E.G. Bührle Collection, Zurich, Catalogue vol. 2 • Conegliano & Zurich • 2005 • no. 34 (ill.; German edition: Stiftung Sammlung E.G. Bührle, Katalog • Italian edition: Fondazione Collezione E.G. Bührle, Catalogo).
2021Lukas Gloor «The Holdings of the Emil Bührle Collection: Illustrated List of All 633 Purchases» in The Emil Bührle Collection: History, Full Catalogue and 70 Masterpieces Swiss Institute for Art Research, Zurich (ed.) • Munich • 2021 • no. 315 (ill.).