Census of India,1961 <br/><br/>
Household economic tables (tables B-X-B-XIV) 
Census of India,1961 
 - Bihar  Govt. Press           1961 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:5.273sN61, K1.4-III (I)