Census 1951    Language handbook, Ranchi and Purnea districts 

 -  1956 
<br/><br/><label>Standard No.: </label>69887 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIOLOGY
<br/><br/><label>Dewey Class. No.: </label>Y1:5s2:N510P, J62