Ranganathan S R <br/><br/>
Preface to library science 

 -  1948 
 - Delhi univ publications library science series 1 .
<br/><br/><label>Standard No.: </label>3,978 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LIBRARY SCIENCE
<br/><br/><label>Dewey Class. No.: </label>2y1, H82,84 (2D)