4 full pages, 4to (9 7/8 x 8 in.), minor stain affects three letters of signature, otherwise very fine." /> BUCHANAN, James (1791-1868), <I>President</I>. Autograph letter signed ("James Buchanan") as Senator, to Churchill C. Cambreleng (1786-1862), U. S. Minister to Russia, Washington, D.C., 28 June 1840. <I>4 full pages, 4to (9 7/8 x 8 in.), minor stain affects three letters of signature</I>, otherwise very fine. | Christie's