Adi Sankararum Ramanarum (3 Sessions-Chennai 2008)
Part1https://www.youtube.com/watch?v=gOwWojYlS1k
Books-https://www.voiceofrishis.org/product/atmatirtham-life-and-teachings-of-adi-sankara-3/?v=c86ee0d9d7ed
Bhagavad Gita : https://voiceofrishis.myshopify.com/collections/all
Sri Ramanacharanatirtha (Nochur) Swami
https://www.voiceofrishis.org