Bailey, Herbert Smith; Oppenheimer, J. Robert, 1904-1967; Nathan, Otto, 1893-1987; Stachel, John J., 1928-; Weyl, Hermann, 1885-1955(Shelby White and Leon Levy Archives Center, Institute for Advanced Study, Princeton, NJ, USA, 1955-1977)
Walter Langenback, Metropolitan Photo Service, 1564 Broadway, N.Y.C.(Shelby White and Leon Levy Archives Center, Institute for Advanced Study, Princeton, NJ, USA, 1954)