(SCIENTISTS.) EINSTEIN, ALBERT. Typed Letter Signed, to Bette Neumann, in German, consenting that her cousin use him as a reference as he knows him

(SCIENTISTS.) EINSTEIN, ALBERT. Typed Letter Signed, to Bette Neumann, in German, consenting that her cousin use him as a reference as he knows him well enough to recommend him. Signed in green ink. 1/2 page, single 4to sheet, personal stationery. With the original envelope. Princeton, 29 October 1940