Martin, Geoffrey J. All possible worlds : a history of geographical ideas / Geoffr ey J. Martin. - 4th ed. - New York : Oxford University Press, 2005. - xvi, 605 p. : ill., maps, ports. ; 25 cm. Includes bibliographical references and indexes. ISBN: 0195168704 (alk. paper) LCCN: 2004-057559 Subjects--Topical Terms: Geography -- History. Dewey Class. No.: 910/.9