Duiker William J 1932 Essential world history : comprehensive volume / William J. Duiker, Jackson J. Spielvogel. - Belmont, CA : Wadsworth/Thomson Learning, c2002. - xxxi, 844 p. : ill., col. maps ; 27 cm. Includes bibliographical references and index. ISBN: 0534578888 Subjects--Topical Terms: World history LC Class. No.: D20 Dewey Class. No.: 909