Stevens, Robert D <br/><br/>
The role of the Library of Congress in the international exchange of official publications :  a brief history 

 - 85 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bibliotecas<br/>Estados Unidos<br/>Bibliotecas especializadas
<br/><br/><label>Universal Decimal Class. No.: </label>02  / S844r