Richards John F <br/><br/>
Unending frontier. 
Richards John F 
 - Berkeley  University of California Press      2003 
 - xiv,682p  cm. 
<br/><br/><label>Standard No.: </label>35948 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X:(G:55).1'P, P3