Library of Congress <br/><br/>
Annual report of the Librarian of Congress 

 - 
 - Washington - EEUU  Library of Congress  1971 
 - 160p.  27cm 
 - Annual report of the Librarian of Congress   .
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label>--Bibliotecologia--Latinoamerica--Informacion--Documentacion--Estados Unidos<br/>Bibliotecologia