Deterioration and preservation of library materials;  the thirty-fourth annual conference of the Graduate Library School, August 4-6, 1969. 
Edited by Howard W. Winger and Richard Daniel Smith. 
 - Chicago,  University of Chicago Press  [1970] 
 - 200 p.  illus.  25 cm. 
 - The University of Chicago studies in library science .
<br/><br/> "Papers ... published originally in the Library quarterly, January 1970." 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0226902013 
<br/><br/><label>LCCN: </label>78115971  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library materials--Conservation and restoration--Congresses.<br/>Photographs--Conservation and restoration--Congresses.
<br/><br/><label>LC Class. No.: </label>Z701  / .D47 
<br/><br/><label>Dewey Class. No.: </label>025.84  / WID 1970