Supplement to LC subject headings :  quarterly cumulative supplement to the / 

 - Washington :  Library of Congress ;  1982. 
 - 487p. ;  28cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Subject headings.
<br/><br/><label>Dewey Class. No.: </label>025.49  / LIS 1982