Census of India,1961 <br/><br/>
General economic tables (tables B-V,B-VI,B-VIII & B-IX) .Bihar V 4, Pt.II-B(II) 

 - Bihar  Govt. Press           1961 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:5.273sN61, K1.4-II-B(II)