Some problems of a general classification scheme 
/ Report of a conference held in London June 1963 
 - Letchworth:   The Library Association,   1964 
 - 46p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science
<br/><br/><label>Subjects--Index Terms: </label>Classification scheme Cataloge  
<br/><br/><label>Universal Decimal Class. No.: </label>D 025.4(063)  / K4