Annual report 1981 of The Librarian of Congress :  for the Fiscal Year ending September 30,1981 / 
Library of Congress. 
 - Washington,  U.S. Government Printing Office, 1982  D.C. : 
 - 1 v. (varias paginaciones) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LIBRARY OF CONGRESS, D.C.- INFORMES
<br/><br/><label>Dewey Class. No.: </label>027.573 L697a 1981