Steckel, Richard H., <br/><br/>
The Backbone of History : 

 -  Cambridge University Press,  2002. 
 - 662 pages 
<br/><br/><label>ISBN: </label>9780521801676 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History.
<br/><br/><label>Dewey Class. No.: </label>614.427  / STE