Silverman, H. A. The substance of economics : for the students and the general reader / by H. A. Silverman - 14th ed. - London : Sir ISAAC Pitman, 1957 - xvii, 379 p. ; 22 cm. Includes bibliographical references and index ISBN: USD 25.00 Subjects--Topical Terms: MonopoliesWagesMoney Dewey Class. No.: 330