1. Zimmer, Heinrich. 1971.Philosophies of India, Bollingen Series XXVI Edited by: Campbell, Joseph. 160–72. Princeton: Princeton U P. 1951
2. Panikkar, Raimundo. 1977.The Vedic Experience: Mantrananjari, 88–112. Berkeley: U of California P.
3. Toward an examination of the rhetoric of ancient India
4. Oliver, Robert. 1971.Communication and Culture in Ancient India and China, 27–30. Syracuse: Syracuse UP.
5. Two Traditions of India: Truth and Silence