1. Bapat, S.L., and Sohoni, P.S., 2017. The Bijapur-Mumbai Copperplate Grant of Cālukya Ruler Pulakeśin II, Dated April 04, 619 CE, Mentioning His Triumph over Emperor Harṣavardhana. In Bahulkar, S.S., and Sumant, S. (eds.), Annals of the Bhandarkar Oriental Research Institute 2012, Volume XCIII. Pune, Bhandarkar Oriental Research Institute. Pp. 205–209..
2. Bhat, M.R., 2010. Bṛhat Samhita. New Delhi, Motilal Banarsidass..
3. Bosworth, C.E. (trans.), 1999. The History of Al-Tabari, Volume 5: The Sasanids, the Byzantines, the Lakhmids, and Yemen. Albany, State University of New York Press..
4. Burgess, E., 1860. Sūrya Siddhānta. New Haven, The American Oriental Society..
5. Coomaraswamy, A.K., 1927. History of Indian and Indonesian Art. London, Edward Goldston..