Duiker, William J. World history to 1500 / William J. Duiker and Jackson J. Spielvogel. - 3rd ed. - Belmont, CA : Wadsworth Thomson Leaning, c2001 - 421 p. : col.ill., map ; 27 cm. Index. ISBN: 0534571948 Subjects--Topical Terms: World history, 1500- Dewey Class. No.: 909.5 / D779W 2001