Proceedings of the international study conference on classification for information retrieval  
/ Held at Beatrice Webb House, Dorking, England 13th-17th May 1957 
 - New York:   Aslib,   1957 
 - iii, 151p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science
<br/><br/><label>Subjects--Index Terms: </label>Classification Structure 
<br/><br/><label>Universal Decimal Class. No.: </label>D 025.4(063)082.2)  / J7