The Miriam and Ira D. Wallach Division of Art, Prints and Photographs: Print Collection, The New York Public Library. "Robert Browning. From photograph taken from life in 1870 by Ernest Edwards." The New York Public Library Digital Collections. 1870. https://digitalcollections.nypl.org/items/510d47dd-ea56-a3d9-e040-e00a18064a99