Classification. Class Z. Bibliography and library science /    
Subje ct Cataloging Division, Processing Services, Library of Congress. 
 - 5th ed. 
 - Washington :   Library of Congress,   1980. 
 - vii, p. 282 ;    26 cm. 
<br/><br/><label>ISBN: </label>0844403407 
<br/><br/><label>LCCN: </label>80-607921 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification --Books -- Bibliography.--Library science.------<br/>Classification --Bibliography.-- Library science.--Library science.------<br/>Classification, Library of Congress.--Books --Library science.------
<br/><br/><label>Dewey Class. No.: </label>025.4 LIB