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

 - Ed2.1989,Ed4.1952,Ed5.1957,Ed6.1964 
 - Bangalore :  Sarada Ranganathan Endowment ,  2003. 
 - Ranganathan Series in Library Science,4; Madras Library Association Publication Series, 26 .