Census of India,1961,Andhrapradesh : (Vol.2 Village survey monographs,Part 6 No.39 Kotha armur) 

 - New Delhi  Manager Of Pub.  1964 
 - 33,223p. 33figs. 
<br/><br/><label>Dewey Class. No.: </label>Y1:5s218:N61  / J1.6.39