Classification and information control  :papers representing the work of the classification research group during 1960-1968 

 - London:  Library Association,  1969 
 - 130 p. 
<br/><br/><label>ISBN: </label>853654212 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification
<br/><br/><label>Dewey Class. No.: </label>025.4  / CLA