Census of India 1961 <br/><br/>
The sex ratio of the population of India 

 - Delhi  The Manager of Publications  1971 
 - 83+p. 
 - Census of India 1961. Volume 1. Monograph No. 10 .
<br/><br/><label>Dewey Class. No.: </label>A81x54 In2/61/1/MS/10