Clark, John Bates Essentials of economic theory: as applied to modern problems of industry and public policy / John Bates Clark - New York : Macmillan , 1968 - xiv, 566p. : ills.; 22 cm. - Reprinted 1968 by Augustus M. Kelley . Includes bibliographical references and index. Subjects--Topical Terms: Economic theory Dewey Class. No.: 330.1 / CLA 2