Berkhofer Robert F <br/><br/>
Behavioral approach to historical analysis. 
Berkhofer Robert F 
 -  1969 
<br/><br/><label>Standard No.: </label>81522 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Vv, K9