Census of India 1961 <br/><br/>
India: scientific and technical personnel tables 

 - Delhi  The Manager of Publications  1966 
 - 223+p. 
 - Census of India 1961. India. Paper No. 1 of 1966 .
<br/><br/><label>Dewey Class. No.: </label>A81x54 In2/61/Pap1/1966