Black and white photo of a rabbit on the visual cliff board
in Richard D. Walk Papers, of University of Akron. Cummings Center for the History of Psychology; with Richard David Walk, 1920-1999, Series Four: Research Files, 1945-1997. Subseries One: Visual Cliff Research, 1958-1996, Box M4933, Folder 9: Visual cliff data - SD function (CONTAINS PHOTO), 1963 , 1 page(s)