Census of India 1961 <br/><br/>
Andhra Pradesh: village survey monographs, a monograph on Rettamala (Sullurpet taluk, Nellore district) 

 - Delhi  The Manager of Publications  1965 
 - v.p. 
 - Census of India 1961. Volume II, Andhra Pradesh. Part VI. Serial No. 25 .
<br/><br/><label>Dewey Class. No.: </label>A81x54 In2/61/2/PT6/25