Library of Congress classification. Z. Bibliography. Library science. Information resources 
 Bibliography  Library science  Information resources 
prepared by the Policy and Standards Division, Library of Congress. 
 - [2009 ed.]. 
 - Washington, D.C.  Library of Congress, Cataloging Distribution Service  2009. 
 - x, 679 p.  27 cm. 
<br/><br/> "This edition cumulates all additions and changes to Class Z through Weekly list 2009/21, dated May 27, 2009. Additions and changes made subsequent to that date are published in weekly lists posted on the World Wide Web ... and are also available in Classification Web, the online Web-based edition of the Library of Congress Classification"--T.p. verso.  Includes index. 
<br/><br/><label>ISBN: </label>9780844412320 
<br/><br/><label>LCCN: </label>2009024436 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification, Library of Congress<br/>Classification--Books--Information resources.<br/>Classification--Books--Library science.<br/>Classification--Books--Bibliography.
<br/><br/><label>LC Class. No.: </label>Z696.U5Z  / 2009