Signed book: American Individualism. First edition, first printing. London: William Heinmann Ltd., 1923. Hardcover, 5 x 7.25, 72 pages. Signed on the title page in black ink. Accompanied by a 1961 TLS from Hoover’s secretary acknowledging the signature. In fine condition, with light toning to covers, and mild sunning to spine. Auction LOA John Reznikoff/PSA/DNA and RRAuction COA.