Census of India, 1951 <br/><br/>
Economic classification by age group 1951 census. Uttar Pradesh 

 - Uttar Pradesh   Govt. Press          1951 
<br/><br/> Paper No. 3 of 1955 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:5.252sN51