Chan, Lois Mai <br/><br/>
Library of Congress subject headings : principles of structure and policies for application / prepared by Lois Mai Chan for the Library of Congress. -- Annotated version 

 - Washington, D.C. :  Library of Congress, Cataloging Distribution Service,  1990 
 - xiii, 65 p 
 - Advances in library information technology ; issue no. 3 .
<br/><br/> Monografía 
<br/><br/><label>ISBN: </label>0844406864 
<br/><br/><label>Subjects--Index Terms: </label>Encabezamientos de Materia de la Library of Congress 
<br/><br/><label>LC Class. No.: </label>Z695/Z8L53 1990