Chan Lois Mai. <br/><br/>
Immroth's guide to the library of congress classification / 
by Mai Chan Lois. 
 - Littleton :  Libraries Unlimited,  c1980. 
 - 402 p. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0872872351 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification, library of congress.
<br/><br/><label>LC Class. No.: </label>Z696  / .U415