1 page, 4to, on Einstein's personal stationery, separate envelope. [With:] Carbon copies of two letters from Gordon to Einstein, 17 September 1941 and 14 October 1943. Together 9 pages, 4to." /> EINSTEIN, Albert. Typed letter signed ("A. Einstein.") to Moses Gordon, Princeton, N.J., 14 October 1943. <I>1 page, 4to, on Einstein's personal stationery, separate envelope.</I> [With:] Carbon copies of two letters from Gordon to Einstein, 17 September 1941 and 14 October 1943. <I>Together 9 pages, 4to.</I> | Christie's