Census of India 1971 <br/><br/>
India: provisional population totals 

 - Delhi  Registrar General and Census Commissioner  1971 
 - 57+p. 
 - Census of India 1971. Series-1, India. Paper 1 of 1971 .
<br/><br/><label>Dewey Class. No.: </label>A81x54 In2/71/1/Pap1/1971