Delhi District census handbook 

 -  1964 
<br/><br/><label>Standard No.: </label>69903 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIOLOGY
<br/><br/><label>Dewey Class. No.: </label>Y1:5s251:N61, K4