Harikatha in Tamil by T S Balakrishna Sastrigal https://archive.org/details/tr-tsbs
Vedartha Sangraha Sarala
Commentary for Ramanuja’s Vedartha Sangraha, in Tamil by Veerapuram Sadagopachariar Swami http://acharya.org/bk/pb/vs/vss.pdf
Kooraththazhvan Vaibhavam Upanyasam
Talk in Tamil by TCA Venkatesan on the greatness of Kooraththazhvan. Now available on Bandcamp. https://srivaishnava.bandcamp.com/track/kooraththazhvan-vaibhavam-tamil
Vardhatam Abhivardatam
Talk in English by TCA Venkatesan on Ramanuja’s command. Now available on Bandcamp. https://srivaishnava.bandcamp.com/track/vardhatam-abhivardatam-english
Azhvar Prabandha Vailakshanyam 8
Sri:Srimathe Ramanujaya Nama:Srimath Anantharya Mahagurave Nama:Srimath Varavaramunaye Nama: We can say Thiruvaymozhi is Tamil Veda. But Sanskrit Vedas has Anga’s (component parts) and Upanga’s (secondary parts). The four Vedas (Rk, Yajur, Saama and Atharvana), have six angas – namely, Seeksha