By P.V.R.K.Prasad
By Paul De Kruif And Translated By Jammi Koneti Rao
By Carl Sagan And Translated By V.Srinivasa Chakravarthy
By Paramanandayya
By Bhimeswarao Vemavarapu
By K B Gopalam
By Tadanki Venkata Lakshmi Narasimha Rao
By Aavatapalli Narayana Rao
By Rasaraju
By Azad
By Dr Chaganti Surya Narayana Murty
By Rachapalem Chandra Shakarareddy
By Simha Prasad
By Tadanki Venkata Lakshmi Narasimharao
By Lohi Choichi Koran
By Karlapalem Hanumantarao
By Adapa Chiranjeevi
By Sri Ramana
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