Census of India 1971 <br/><br/>
Andhra Pradesh: village re-study monograph on Unagatla (West Godavari district) 

 - Delhi  The Controller of Publications  1979 
 - 423+p. 
 - Census of India 1971. Series-2, Andhra Pradesh. Part VI C-(ii) .
<br/><br/><label>Dewey Class. No.: </label>A81x54 In2/71/2/PT6C/2