Barnes, Jonathan. Early Greek philosophy / Jonathan Barnes. - Harmondsworth, Middlesex, England. New York, N.Y., U.S.A. : Penguin Books, 1987. - 318 p. : 20 cm. + pbk. - Penguin classics . Includes bibliographical references and index. ISBN: 0140444610 (pbk.) : LCCN: 87158165 Subjects--Topical Terms: Philosophy, Ancient Dewey Class. No.: 182