Salopek Paul <br/><br/>
Edge of th world: a pulitzer prize-winning journalist prepares to set off on a seven-year journet tracing early human's first cross-border trek out of Africa 

 - USA  Washington Carnegie Endowment  2013 
 - 78-79 
<br/><br/><label>Source: </label>Series Article 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Foreign affairs