1. Asher F (2018) India, Magadha, Nalanda: ecology and a premodern world system. In: Sharma A (ed) Records, recoveries, remnants and inter-Asian interconnections: decoding cultural heritage. ISEAS–Yusof Ishak Institute, pp 51–69
2. Beal S (trans) (1884) Si-yu-ki Buddhist Records of the Western World, Vols. I & II London, Kegan Paul. http://archive.org/details/siyukibuddhistr00bealgoog . Accessed 17 Apr 2020
3. Beal S (trans) (1914) The life of Hiuen-Tsiang by the Shaman Hwui-Li, London. http://archive.org/details/lifeofhiuentsian030569mbp . Accessed 17 Apr 2020
4. Buchanan F (1807) A journey from Madras through the countries of Mysore, Canara, and Malabar…vol 1, Chap II, London. https://archive.org/details/journeyfromMadr1Hami/page/iii/mode/2up . Accessed 17 Apr 2020
5. Buchanan F (1812) BL: MSS EURD87, p. 127