Together 4 pages, 4to, one with a few minor spots. [With:] EINSTEIN, ELSA. Typed letter signed to Hans Albert Einstein and Frieda Einstein, "On Board S.S. Westernland," 7 October 1933. 4 pages, 8vo, with original envelope. " /> EINSTEIN, ALBERT. Three autograph letters signed ("Papa") to Hans Albert Einstein and his wife Frieda, n.p. [Berlin and Pasadena], 8 August [c. 1931] and n.d. <I>Together 4 pages, 4to, one with a few minor spots</I>. [<I>With</I>:] EINSTEIN, ELSA. Typed letter signed to Hans Albert Einstein and Frieda Einstein, "On Board S.S. Westernland," 7 October 1933. <I>4 pages, 8vo, with original envelope</I>. | Christie's