Kumar, Krishan <br/><br/>
Theory of classification 

 - 4th Rev.ed. 
 - New Delhi:  Vikas Publishing House,   1979 
 - xii, 560p.;  21cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operations of libraries 
<br/><br/><label>Dewey Class. No.: </label>025.4  / KUM