Duiker, William J. World history : to 1500 / William J. Duiker, Jackson J. Spielvogel - 6th ed. - Australia : Wadsworth Cengage, 2009 - xxxi, 1014 p. : col. ill., maps ; 28 cm. ISBN: 9780495569015 0495569011 Subjects--Topical Terms: World history LC Class. No.: D20 / .D84 2009