Librarian and educator (1851–1931) who developed and published his library-classification system, the Dewey Decimal System, in 1876. Scarce DS, signed “M. Dewey,” one page both sides, 15.5 x 8, October 31, 1920. Stock certificate for 330 shares in the Lake Placid Company, issued to Godfrey Dewey, signed at the conclusion by Melville Dewey as the company’s president. In very good condition, with vertical folds, scattered pencil notations, two ink “cancelled” notations, three transfer and documentary stamps to front, punch holes to left edge, and scattered soiling. RRAuction COA.