Scholia in Pindarum Olympian Odes
Scholia in Pindarum
Scholia in Pindarum. Scholia Vetera in Pindari Carmina, Volume 1. Drachmann, A.B., editor. Leipzig: Teubner, 1903.
b. Ἴστρος δὲ ποταμὸς διὰ πολλῶν ἐθνῶν τῆς Εὐρώπης χωρῶν· ἔχει δὲ τὰς πηγὰς ἐν τῇ τῶν Ὑπερβορέων χώρᾳ· ὃς νῦν Δάνουβις λέγεται.