Immorth, John Philip <br/><br/>
Immorth's guide to the Library of Congress classification / by Lois Mai Chan 

 - 4 
 - Englewood, Clorado :  Libraries Unlimited,  1990 
 - 437 p 
 - Library science text series .
<br/><br/> Monografía 
<br/><br/><label>ISBN: </label>0872877639 (rústica) 0872876047 7 
<br/><br/><label>Subjects--Index Terms: </label>Clasificación de la Biblioteca del Congreso 
<br/><br/><label>LC Class. No.: </label>Z696/U4I54/1990