Duiker, William J.,  1932- <br/><br/>
The essential world history / 
William J. Duiker, The Pennsylvania State University, Jackson J. Spielvogel, The Pennsylvania State University. 
 - Seventh edition. 
 - xxxi, 864 pages :  illustrations, maps ;  26 cm 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781133606581 (pbk.)  RM630.15 113360658X (pbk.) 9781133936220 (hbk.) 1133936229 (hbk.) 
<br/><br/><label>LCCN: </label>2012-921058 
<br/><br/><label>Subjects--Topical Terms: </label><br/>World history.