Kent Encyclopedia; <br/><br/>
Encyclopedia of library and information science 
/ by Encyclopedia; Kent, 
 - New York  Marcel Dekker  1971 
 - 681p. 
<br/><br/> (Vol-4 ; 861p.) 
<br/><br/><label>ISBN: </label>40824720040;  
<br/><br/><label>Dewey Class. No.: </label>020.3  / KEN/E