Classification.  Class A, General works.  Class A, General works. 

 - 4th ed. 
 - Washington, DC,  1973. 
<br/><br/><label>ISBN: </label> L.5.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification -- Books -- General works.--Classification -- Books -- General works.--Classification -- Books -- General works.<br/>Classification, Library of Congress.