Discovering the global past :  a look at the evidence / 
Merry Wiesner ... [et al.] 
 - 3rd ed. 
 - Boston :  Houghton Mifflin,  2007 
 - 2 v. :  ill., maps ;  24 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/> To 1650 -  vol. 1. 
<br/><br/><label>ISBN: </label>9780618526376 (v. 1) (pbk.) 0618526374 (v. 1) (pbk.)  RM213.01 
<br/><br/><label>Subjects--Topical Terms: </label><br/>World history<br/>World history--Sources