Palmer, Donald. Does the center hold? : an introduction to western philosophy / Donald Palmer. - 5th ed. - Dubuque, IA : McGraw-Hill, 2011. - xv, 464 p. : ill. ; 23 cm. Includes bibliographical references and index. ISBN: 9780073535753 (hc : alk. paper) LCCN: 2009045531 Subjects--Topical Terms: Philosophy--Introductions. LC Class. No.: BD21 / .PAL 2010 Dewey Class. No.: 190