Book in Tamil, by TCA Venkatesan Coming soon!
Bhagavad Gita Bashyam, Tatparya Chandrika, and Footnotes
1972 Book in Sanskrit by Ramanuja, Vedanta Desikan and Uttamur Veeraraghavachariar Swami http://acharya.org/bk/pb/Vyakhyanam/bgb-tc-fn.pdf
Brundavanam
Karappangadu Venkatachariar Swami Shatabdi Malar – 2006 http://acharya.org/bk/pb/misc/bv.pdf
Padhinettu Rahasyangal
Book in Tamil – Thirukkottiyur Nambi’s teachings to Ramanuja http://acharya.org/bk/pb/misc/pr.pdf
Adbutha Sakthi
1948 Book in Tamil by Sri U Ve P B Annangarachariar Swami http://acharya.org/bk/pb/pba/as2.pdf