Blaug, Mark. Economic theory in retrospect / Mark Blaug, - 4th ed. - London : Cambridge Uni. Press, 1986. - xxiv, 737 p.: ill.; 24 cm. Includes bibliographical references. LCCN: 79401255 Nat. Bib. No.: B68-20548 Subjects--Topical Terms: Economics--History. LC Class. No.: HB75 / .B664 1968b Dewey Class. No.: 330.109 / BLE 1986