Immroth, John Phillip <br/><br/>
A guide to library of congress classification / 
John Phillip Immroth 
 - New York  Libraries unlimited,inc  1968 
 - 356 p. 
 - Library science text series .
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>113962 
<br/><br/><label>Dewey Class. No.: </label>25.4  / IMM