Large collection of books autographed by Herbert Hoover including: "Principles of Mining", 1909; "On growing Up", 1962; "America's First Crusade", 1942; "Memoirs", volumes 1-3 (all inscribed); "Addresses Upon the American Road" and further addresses (7 volumes, all signed); "An American Epic", 4 volumes (volumes 1 and 2 signed); "The Challenge to Liberty", 1934, signed; "The Problems of a Lasting Peace", singed' "The New Day" (1929), signed; together with nine other unsigned items. (31 volumes, 19 signed)