Vasmer 1950, p.362: "Die Quelle ist avest. dānu- f. Fluß, Strom" Vasmer, Max (1950). Russisches etymologisches Wörterbuch [Etymological Dictionary of the Russian Language] (in German). Heidelberg: Carl Winter.
Jones 1924, p. 183: "Asia is adjacent to Europe, bordering thereon along the Tanaïs River." Jones, Horace Leonard (1924). The Geography of Strabo. Vol. 5. London: Harvard University Press.
Jones 1924, p. 185: "...Tanaïs River, which I have taken as the boundary between Europe and Asia." Jones, Horace Leonard (1924). The Geography of Strabo. Vol. 5. London: Harvard University Press.
Jones 1924, p. 191: "On the river and the lake is an inhabited city bearing the same name, Tanaïs." Jones, Horace Leonard (1924). The Geography of Strabo. Vol. 5. London: Harvard University Press.
Hamilton 1983, p. 2: "During the eighth and ninth centuries the Khazar state reached its greatest extent and power, and the Antes and Slavs of the lower Don and Azov region, the old As or Rus tribes, participated in the first of the empires to be established on Russian soil." Hamilton, George Heard (1983). The Art and Architecture of Russia (3 ed.). New Heaven, London: Yale University Press. ISBN0300053274.
Tellier 2009, p. 251: "In 1261, the Genoese concluded an alliance with the Byzantine Empire of Nicaea and succeeded to establish trading posts at two terminals of the Silk Road on the Black Sea: Kaffa, in Crimea, and Tana, on the Don River, which runs towards the Black Sea." Tellier, Luc-Normand (2009). Urban world history : An Economic and Geographical Perspective. Québec: Presses de l'Université du Québec. ISBN9782760522091. OCLC444730453.
Litus 2003. Litus, Ludmilla L. (2003). "Mikhail Aleksandrovich Sholokhov (11 May 1905 – 21 February 1984)". In Rydel, Christine (ed.). Russian Prose Writers Between the World Wars. Dictionary of Literary Biography. Vol. 272. Detroit: Gale Group. pp. 383–408. ISBN0787660167.
Tellier 2009, p. 251: "In 1261, the Genoese concluded an alliance with the Byzantine Empire of Nicaea and succeeded to establish trading posts at two terminals of the Silk Road on the Black Sea: Kaffa, in Crimea, and Tana, on the Don River, which runs towards the Black Sea." Tellier, Luc-Normand (2009). Urban world history : An Economic and Geographical Perspective. Québec: Presses de l'Université du Québec. ISBN9782760522091. OCLC444730453.
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