Supplement to LC subject headings :  january - december 1980 

 - 452 p. 
<br/><br/> Quarterly cumulative supplement to the 9th edition 
<br/><br/><label>ISBN: </label>084440100-S 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tesauros<br/>Cabeçalhos de assunto
<br/><br/><label>Universal Decimal Class. No.: </label>025.43  / L697s