Histories 4.38. C.f. James Rennell, The geographical system of Herodotus examined and explained, Volume 1, Rivington 1830, p. 244. Oppgjeve av Engelsk Wikipedia.
W. Theiler, Posidonios. Die Fragmente, vol. 1. Berlin: De Gruyter, 1982, fragm. 47a; I. G. Kidd (ed.), Posidonius: The commentary, Cambridge University Press, 2004, ISBN 978-0-521-60443-7, p. 738; Geographia 7.5.6 (ed. Nobbe 1845, vol. 2, p. 178) Καὶ τῇ Εὐρώπῃ δὲ συνάπτει διὰ τοῦ μεταξὺ αὐχένος τῆς τε Μαιώτιδος λίμνης καὶ τοῦ Σαρματικοῦ Ὠκεανοῦ ἐπὶ τῆς διαβάσεως τοῦ Τανάϊδος ποταμοῦ.
"And [Asia] is connected to Europe by the land-strait between Lake Maiotis and the Sarmatian Ocean where the river Tanais crosses through."
