Dittmann, Helena <br/><br/>
Learn Library of Congress Classification. 

 - 1st./ed 
 - 164p.  bibliography, index  29.5cm. 
<br/><br/><label>ISBN: </label>1876283181 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification, Library of Congress--2000--Campbell--paperbound