Thomas Eakins, Portrait of Dr. Samuel D. Gross (The Gross Clinic), 1875, oil on canvas, 243.8 x 198.1 cm (Philadelphia Museum of Art) and Thomas Eakins, The Agnew Clinic, 1889, oil on canvas, 214 cm × 300 cm (Philadelphia Museum of Art)
A conversation with Dr. Kathleen A. Foster, The Robert L. McNeil, Jr., Senior Curator of American Art, and Director, Center for American Art at the Philadelphia Museum of Art
A Seeing America video
source
