- needed] Vivekanandan, Siva (December 2003). Ayya Vaikundar :
Vazhvum Vazhibadum [Ayya Vaikundar : Life and Worship] (in Tamil) (1st ed.). Kavya. G. Patrick...
- Avataram, Ram Publishers, 2002. Tha.
Krishna Nathan, Ayya
Vaikundarin Vazvum Vazhibadum,
Thinai Veliyeettagam, 2000. R. Ponnu, Sri
Vaikunda Swamigal and Struggle...