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, Ill. :  University of Chicago Press,  1970 
 - 200 p. :  ill. ;  25 cm. 
<br/><br/> 'Papers ... published originally in the Library quarterly, January 1970.' 
<br/><br/>Includes bibliographies 
<br/><br/><label>ISBN: </label>0226902013 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library materials--Conservation and restoration--Congresses<br/>Photographs--Conservation and restoration--Congresses