Colbert, Edwin H. <br/><br/>
Digging into the past  an autobiography. 
by Edwin H. Colbert. 
 - New York  Dembner Bks.  1989 
 - vii, 456p 
<br/><br/><label>ISBN: </label>0942637089 
<br/><br/><label>Dewey Class. No.: </label>560.9  / N89