Immroth, John Phillip. <br/><br/>
A guide to the Library of Congress classification /  
John Philip I mmroth. 
 - 2d ed. 
 - Littleton, Colo. :    Libraries Unlimited,    1971. 
 - 335 p. ;    24 cm. 
 - Library science text series .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0872870391 
<br/><br/><label>LCCN: </label>75-178877 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Classification, Library of Congress.
<br/><br/><label>Dewey Class. No.: </label>025.433