Harris, Seymour E. Economics of social security : the relation of the American program to consumption, savings, output and finance / Seymour E. Harris - 1st. ed. - Westport : Greenwood Press , 1970 - xxvi, 455 p. : ill. ; 18 cm. Includes bibliographical references and index. ISBN: 0837136857 Subjects--Topical Terms: Social securityPublic financeHistoryTaxation Dewey Class. No.: 368.4 / HAR