Director of Census Operations <br/><br/>
District Census handbook 

 - Patna  "The Director of Census Operations, Bihar"  1986 
 - 676p.- 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bihar
<br/><br/><label>Dewey Class. No.: </label>BH 312 MUN Pt. 13 A & B