Paxton, Robert O. Europe in the twentieth century / Robert O. Paxton, Julie Hessler. - 5th Ed. - Boston, MA : Wadsworth/Cengage Learning, c2012. - xxiv, 721 p. : ill., maps ; 23 cm. Includes bibliographical references and index. ISBN: 9780495913191 LCCN: 2010927428 Subjects--Geographic Terms: Europe--History--20th century. LC Class. No.: D424 / .P39 2012