Ranganathan, S. R. <br/><br/>
Prolegomena to library classification   

 - London  ALA  1957 
 - 487p. 
<br/><br/> "Lib. also has:- 3rd ed. 1967, 640p."   
<br/><br/><label>Dewey Class. No.: </label>025.42  / R196.PL