[AMERICAN INDUSTRIALISTS]. BARUCH, Bernard M. (1870-1965). Autograph letter signed ("Bernard M. Baruch"), to Mrs. Moore, Kingstree, South Carolina, 3 March 1963. 1 page, 8vo, on Little Hobcaw stationery, a few pale stains at creases. Baruch, a personal advisor to Franklin D. Roosevelt, thanks Moore for her nice message, and discusses a recent bout of arthritis. -- CARNEGIE, Andrew (1835-1919). Signature ("Andrew Carnegie"), n.p., 16 October 1893. 1 page, small 12mo, slight toning to left margin. In full: "Truly Yours Andrew Carnegie." -- VANDERBILT, George Washington (1862-1914). Autograph letter signed ("Geo. W. Vanderbilt"), to Mr. Roebling, New York, 17 February 1902. 4 pages, 8vo, on 640 Fifth Avenue stationery, lightly creased with light soiling. Vanderbilt discusses acquiring land from the Perry family, presumably to expand his estate at the Biltmore. -- Together, 3 manuscripts.