Von Neumann, John, 1903-1957; Institute for Advanced Study (Princeton, N.J.)(Shelby White and Leon Levy Archives Center, Institute for Advanced Study, Princeton, NJ, USA, 1972)
Einstein, Albert, 1879-1955; Institute for Advanced Study (Princeton, N.J.)(Shelby White and Leon Levy Archives Center, Institute for Advanced Study, Princeton, NJ, USA, 1977-1983)
Von Neumann, John, 1903-1957; Institute for Advanced Study (Princeton, N.J.)(Shelby White and Leon Levy Archives Center, Institute for Advanced Study, Princeton, NJ, USA, 1972)