Walton, Gary M. History of the American economy / by Gary M. Walton, Hugh Rockoff. - 6th ed. - San Diego, Calif. : Harcourt Brace Jovanovich, 1990. - xiii, 687 p. : 25 cm. Includes bibliographical references and index. ISBN: 0155365061 Subjects--Topical Terms: United States--Economic conditions.