1989 Book in English By Prof John Carman and Prof Vasudha Narayanan http://acharya.org/bk/pb/jc/ttv-piot.pdf
Thamizhar Eththum Sri Manavala Mamunigal
1950 Book in Tamil Published by Thiruvallikkeni Thamizh Sangam http://acharya.org/bk/pb/vai/tesmm.pdf
Manavala Mamunigal 650th Thirunakshatra Mahotsavam – Upanyasams
2020 Series of Upanyasams in multiple languages by various scholars MP3 files available for download https://svlife.gumroad.com/l/iwbwx
Srimad Andavan Ashrama Varalaru
1967 Book in Tamil http://acharya.org/bk/pb/vai/saav.pdf
Verpu – Thiruchchandhaviruththam 39 – Talk
Verpu – Thiruchchandhaviruththam 39 Talk in Tamil by TCA Venkatesan, on the 39th verse of Thirumazhisai Azhvar’s Thiruchchandha Viruththam. veRpu (mountain) is used four times in this pasuram.Based on Periyavachchanpillai vyakhyanam. https://svlife.gumroad.com/l/lqiui