Duiker, William J., 1932- Essential world history : comprehensive volume / William J. Duiker, Jackson J. Spielvogel. - xxxi, 844 p. : ill., col. maps ; 27 cm. ISBN: 0534578888 LCCN: 2001039123 Subjects--Topical Terms: World history LC Class. No.: D20 / .D918 2002