New Book in English, by TCA Venkatesan Available as Kindle Book or Printed Book (in some countries) on Amazon
Mumukshuppadi Vyakhyanam and Arumpadham
Mumukshuppadi by Pillai LokacharyarVyakahyanam by Manavala MamunigalArumpadham by Suddhasattvam Doddaiyangar & Suddhasattvam Embavaiyangar1890 Book in Mani Pravalam http://acharya.org/bk/pb/Vyakhyanam/mmpva.pdf
Thiruvaymozhi Glossary Third Centum
1981 Book in English by Sri U Ve Gwalior Sathyamurthi Iyengar Swami http://acharya.org/bk/pb/GSI/tvm03.pdf
Kathopanishad Commentary
Book in Tamil http://acharya.org/bk/pb/Vyakhyanam/kathauvt.pdf
Prashnopanishad Commentary
Book in Tamil http://acharya.org/bk/pb/Vyakhyanam/prashnauvt.pdf