"Irizeh". Complément du dictionnaire de l'Académie française[Supplement to the dictionary of the French Academy] (in French). Paris: Firmin Didot Frères. 1842. p.631.
The Periplus of the Euxine Sea. Oxford: sold by J. Cooke; and by Messrs. Cadell and Davies Strand, London. 1805. Note: Arrian only mentions the River Rhizius, not any settlement by that name. It is quoted as being to the east of the river Ophis after the rivers Psychrus and Calus.
