Berlin, Isaiah, 1909-1997; Craig, Gordon Alexander, 1913-2005; Woodward, E. L. (Ernest Llewellyn), 1890-1971(Shelby White and Leon Levy Archives Center, Institute for Advanced Study, Princeton, NJ, USA, 1955)
Grabar, André, 1896-1990; Oppenheimer, J. Robert, 1904-1967; Weitzmann, Kurt, 1904-1993(Shelby White and Leon Levy Archives Center, Institute for Advanced Study, Princeton, NJ, USA, 1955)