Annual report of the Librarian of Congress : for the fiscal year ending september 30, 2009 / Library of Congress ; James H. Billington - Washington, D.C. [EE.UU.] : Librarian of Congress, [2009?] - xiii, 69 p. : il. ISBN: 978-0-8444-9517-0 Subjects--Corporate Names: LIBRARY OF CONGRESS, WASHINGTON, D.C.--INFORMES Dewey Class. No.: 027.573 B582a 2009