Ranganathan, S R <br/><br/>
Colon classification 

 - 6 
 - New Delhi  Ess Ess Publications  1960 
 - Various pagings ;  
 - Ranganathan series in library science; 4 .
<br/><br/><label>ISBN: </label>8170004608 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Colon classification<br/>Library classification