Kent, Allen <br/><br/>
Encyclopedia Of Library And Information Science  
/by Allen Kent 
 - New York:  Marcel Dekker, INC;  1971. 
 - 682p. 
<br/><br/><label>ISBN: </label>40824720040 
<br/><br/><label>Dewey Class. No.: </label>020.3  / KEN/E