1. Carman, John and Vasudha Narayanan. 1989. The Tamil Veda: Piḷḷāṉ’s interpretation of the Tiruvāymoḻi. Chicago: University of Chicago Press.
2. Carmody, Denise Lardner and John Tully Carmody. 1996. Mysticism: Holiness East and West. New York: Oxford University Press.
3. Cutler, Norman Joel. 1986. Songs of experience: The poetics of Tamil devotion. Bloomington: Indiana University Press.
4. Davis, Richard H. 1991. Ritual in an oscillating universe: Worshiping Śiva in medieval India. Princeton: Princeton University Press.
5. Dehejia, Vidya. 1988. Slaves of the Lord: The path of the Tamil saints. New Delhi: Munshiram Manoharlal.