Gopal, Madan (1990). K.S. Gautam (ed.). India through the ages. Publication Division, Ministry of Information and Broadcasting, Government of India. p. 176.
Megasthenes, fragment 23 "The Surasenians, an Indian tribe, with two great cities, Methora and Clisobora; the navigable river Iomanes flows through their territory" quoted in Arrian Indica 8.5. Also "The river Jomanes (Yamuna) flows through the Palibothri into the Ganges between the towns Methora and Carisobora." in FRAGM. LVI. Plin. Hist. Nat. VI. 21. 8-23. 11.Archived 10 December 2008 at the Wayback Machine
Megasthenes, fragment 23 "The Surasenians, an Indian tribe, with two great cities, Methora and Clisobora; the navigable river Iomanes flows through their territory" quoted in Arrian Indica 8.5. Also "The river Jomanes (Yamuna) flows through the Palibothri into the Ganges between the towns Methora and Carisobora." in FRAGM. LVI. Plin. Hist. Nat. VI. 21. 8-23. 11.Archived 10 December 2008 at the Wayback Machine
