Additional material includes A.L.S. from Cardozo to Flexner (1932 Oct. 11)
Smithsonian Institution Libraries. Manuscripts of the Dibner collection, 1353
Also available online
Collected by Bern Dibner for his Burndy Library in Norwalk, Connecticut, founded in 1941. Donated to the Smithsonian Libraries in 1974 by Dibner DSI
Elecresource
Summary:
Four autograph letters signed, 1 autograph postcard signed, and 12 typed letters signed to various correspondents including Frank, Sommerfeld, Veblen, Wattenberg, Weinek, and White ; 2 holograph sheets of calculations ; 2 autograph documents signed, one with sketch ; autograph poem signed ; typed manuscript. with galley sheets ; 2 holograph manuscripts signed (Anhang Eddington's Theorie and Über eine Ergazung)