In Mani Pravalam, by Manavala Mamunigal http://acharya.org/bk/pb/MM/ps-v.pdf
Njana Saara Vyakhyanam
In Mani Pravalam by Manavala Mamunigal http://acharya.org/bk/pb/MM/ns-v.pdf
Stotra Ratnam – Periyavachchanpillai Vyakhyanam
1878 Book in Tamil http://acharya.org/bk/pb/PAP/srv-pp.pdf
Amalanadipiran
1988 book in Tamil, by Sri U Ve Vidwan Srivilliputtur R Kannan Swami Commentary in Tamil on Thiruppanazhvar Prabandham, Amalanadipiran Vyakhyanam, Munivahana Bhogam and Bhagavat Dhyana Sopanam http://acharya.org/bk/pb/svk/tpap-aapv-mvb-bds.pdf
Poongkovalvalli Thayar Stotram
Thirukkovaluril vilangum Poongkovalvalli Thayar Stotram Written by Annaladiyarkkadiyan http://acharya.org/bk/pb/aaa/pkvts-aaa.pdf