Soule, George Henry, 1887- The shape of tomorrow. - [New York] : New American Library, [1958] - 141 p. ; 19 cm. - A Signet key book ; Ks352 . LCCN: 57012141 Nat. Bib. No.: GB58-9487 Subjects--Topical Terms: Technology and civilization. LC Class. No.: CB478 / .S6