Encyclopedia of library and information science / 
editors, Allen Kent and Harold Lancour 
 - New York :  Marcel Dekker,  1968 
 - 33v. :  ill. ;  26cm 
<br/><br/> Vols. 10- have Executive editors: A. Kent, H. Lancour, J. E. Daily; assistant editor: W. Z. Nasri 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science--Dictionaries<br/>Information sciences--Dictionaries
<br/><br/><label>Dewey Class. No.: </label>020