By Sri Sri Sri Acharya Prabodhananda Yogeeswarulu
Sri Vidya Prakasanandagiri Swamula Varu
Sri Sripada Venkata Subrahmanyam
V.V.Ramana (Seth Vegnanam Volume - 1)
Nori Bhogiswara Sharma
Santekudluri Thuga Pranesh
R K Babu
Sri Maheswara Sivacharyulu (Uttara Bhagamu)
Radha Manohar Ma Mlisc
Sri Sri Sri Acharya Prabodhananda Yogeeswarulu
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