1. Brown, W. Norman. 1941. The Rigvedic Equivalence of Hell. Journal of the American Oriental Society 61: 76–80.
2. Bryant, Edwin. 2004. The Quest for the Origins of the Vedic Culture. Oxford: Oxford University Press.
3. Bryant, Edwin, and Laurie L. Patton. 2005. The Indo-Aryan Controversy. London: Routledge/Curzon.
4. Corning, Peter. 2011. The Fair Society. Chicago: The University of Chicago Press.
5. Debroy, Bibek, and Dipvali Debroy. 2006. The Holy Vedas; The Rig Veda, the Yajur Veda, the Soma Veda and the Athra Veda. New York: Books for All.