Aydelotte, Frank, 1880-1956; Flexner, Abraham, 1866-1959(Shelby White and Leon Levy Archives Center, Institute for Advanced Study, Princeton, NJ, USA, 1938-1955)
Aydelotte, Frank, 1880-1956; Flexner, Abraham, 1866-1959(Shelby White and Leon Levy Archives Center, Institute for Advanced Study, Princeton, NJ, USA, 1935-1937)
Aydelotte, Frank, 1880-1956; Veblen, Oswald, 1880-1960(Shelby White and Leon Levy Archives Center, Institute for Advanced Study, Princeton, NJ, USA, 1932-1947)