Beers, Burton F. World history : Patterns of civilization / Burton F. Beers. - Heritage ed. - Englewood Cliffs : Prentice Hall, 1990. - xxiii, 904 p. ill. (some col.), col. maps ; 26 cm. Includes index. ISBN: 0139686452 Subjects--Topical Terms: Civilization--History.Civilization, Western--History.