Eadweard Muybridge n.d. "Sallie Gardner," owned by Leland Stanford, running at a 1:40 gait over the Palo Alto track, 19 June 1878
Illustration Library of Congress, Prints and Photographs Division Digital ID: (digital file from original item, back) ppmsca 23779, Reproduction Number: LC-DIG-ppmsca-23778 (digital file from original item, front) LC-DIG-ppmsca-23779 (digital file from original item, back) LC-USZ62-45682 (b&w film copy neg.)