By Madhurantakam Narendra
By Vivina Murty
By Sri Sasrswatula Subbarama Sastry
By Sathish Chandra
By Granville Austin Translated By Prabhakar Mandara
By Dr T S Rao
By A M Ayodya Reddy
By A N Nageswara Rao
By Malladi Venkata Krishna Murthy
By Kandukuri Venkata Satya Brahmacharya
By Dr Manjuluri Narasimharao
By Kampalle Ravichandran
By Sudha Murty
By Tadanki Venkata Lakshmi Narasimha Rao
By V.V.Ramarao
By Paul De Kruif And Translated By Jammi Koneti Rao
By Carl Sagan And Translated By V.Srinivasa Chakravarthy
By Paramanandayya
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