Mary Cassatt, Little Girl in a Blue Armchair, 1878, oil on canvas, National Gallery of Art, Collection of Mr. and Mrs. Paul Mellon

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Edgar Degas, Portrait after a Costume Ball (Portrait of Mme Dietz-Monnin), 1879, distemper with metallic paint and pastel on canvas, The Art Institute of Chicago, Joseph Winterbotham Collection. Photography © The Art Institute of Chicago

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Mary Cassatt, At the Theater, 1878/1879, pastel and gouache with metallic paint, Collection of Ann and Gordon Getty

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Edgar Degas, Fan Mount: Ballet Girls, 1879, watercolor, silver, and gold on silk, Lent by The Metropolitan Museum of Art, H.O. Havemeyer Collection, Bequest of Mrs. H.O. Havemeyer. Image © The Metropolitan Museum of Art

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Mary Cassatt, Young Woman in Black (Portrait of Madame J), 1883, oil on canvas, Collection of the Maryland State Archives

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Edgar Degas, Actresses in Their Dressing Rooms, c. 1879/1880, etching and aquatint, National Gallery of Art, Rosenwald Collection

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Mary Cassatt, The Loge, c. 1878–1880, oil on canvas, National Gallery of Art, Chester Dale Collection

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Mary Cassatt, The Loge [recto], 1879–1880, graphite, National Gallery of Art, Chester Dale Collection

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Mary Cassatt, Two Young Ladies Seated in a Loge, Facing Right, 1879–1880, softground etching and aquatint, Marc Rosen Fine Art, New York, and Adelson Galleries, New York

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Edgar Degas, Mary Cassatt at the Louvre, c. 1879, pastel, Philadelphia Museum of Art, The Henry P. McIlhenny Collection in memory of Frances P. McIlhenny, 1986. The Philadelphia Museum of Art / Art Resource, NY

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Edgar Degas, Mary Cassatt at the Louvre: The Etruscan Gallery, 1879–1880, softground etching, drypoint, aquatint, and etching retouched with red chalk, The Art Institute of Chicago, Albert Roullier Memorial Collection. Photography © The Art Institute of Chicago

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Edgar Degas, Mary Cassatt at the Louvre: The Paintings Gallery, 1885, pastel over softground etching, drypoint, aquatint, and etching, The Art Institute of Chicago, Bequest of Kate L. Brewster. Photography © The Art Institute of Chicago

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Edgar Degas, Mary Cassatt, c. 1879–1884, oil on canvas, National Portrait Gallery, Smithsonian Institution, Washington, Gift of the Morris and Gwendolyn Cafritz Foundation and the Regents' Major Acquisitions Fund, Smithsonian Institution. National Portrait Gallery, Smithsonian Institution / Art Resource, NY

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Mary Cassatt, The Visitor, c. 1881, softground etching, drypoint, aquatint, etching, and fabric texture, Sterling and Francine Clark Art Institute, Williamstown, Massachusetts. Image © Sterling and Francine Clark Art Institute, Williamstown, Massachusetts, USA. Photographer Michael Agee

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Mary Cassatt, Woman Bathing, 1890–1891, color drypoint and aquatint, National Gallery of Art, Gift of Mrs. Lessing J. Rosenwald

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Edgar Degas, Scene from the Steeplechase: The Fallen Jockey, 1866, reworked 1880–1881 and c. 1897, oil on canvas, National Gallery of Art, Collection of Mr. and Mrs. Paul Mellon

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Mary Cassatt, Child Picking a Fruit, 1893, oil on canvas, Virginia Museum of Fine Arts, Richmond, Gift of Ivor and Anne Massey. © Virginia Museum of Fine Arts. Photographer Travis Fullerton

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