Silverman, H. A. 1896- The substance of economics : for the student and the general reader / H. A. Silverman - 14th ed. - London : Pitman, 1957 - xvii, 379 p. : ill. ; 22 cm. Includes bibliographical references and index ISBN: PND 01.25 Subjects--Topical Terms: Economics Dewey Class. No.: 330