Library of Congress subject headings / 

 - 23th ed. 
 - Washington :  Library of Congress, Cataloging Distribution Service,  2000. 
 - 5 v. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ENCABEZAMIENTOS DE MATERIA
<br/><br/><label>Dewey Class. No.: </label>025.49  / L697 23a ed.