Marshall, Alfred, 1842-1924. Principles of economics : an introductory volume / by Alfred Marshall. - 8th ed. - New York : Macmillan, 1920 [Reprint 1962, 1969] - xxxii, 731 p. : ill. , 22 cm. Bibliographical footnotes. Subjects--Topical Terms: Economics. Dewey Class. No.: 330 / MAP 1969