^Harmatta 1992, p. 348: "From the first millennium b.c., we have abundant historical, archaeological and linguistic sources for the location of the territory inhabited by the Iranian peoples. In this period the territory of the northern Iranians, they being equestrian nomads, extended over the whole zone of the steppes and the wooded steppes and even the semi-deserts from the Great Hungarian Plain to the Ordos in northern China."
^Brzezinski, Richard; Mielczarek, Mariusz (2002). The Sarmatians, 600 BC-AD 450. Osprey Publishing. p. 39. ""(..) Indeed, it is now accepted that the Sarmatians merged in with pre-Slavic populations.""
^Adams, Douglas Q. (1997). Encyclopedia of Indo-European Culture. Taylor & Francis. p. 523. ""(..) In their Ukrainian and Polish homeland the Slavs were intermixed and at times overlain by Germanic speakers (the Goths) and by Iranian speakers (Scythians, Sarmatians, Alans) in a shifting array of tribal and national configurations.""
^Women in Russia. Stanford University Press. (1977). p. 3. ""(..) Ancient accounts link the Amazons with the Scythians and the Sarmatians, who successively dominated the south of Russia for a millennium extending back to the seventh century B.C. The descendants of these peoples were absorbed by the Slavs who came to be known as Russians.""
^Slovene Studies. 9-11. Society for Slovene Studies. (1987). p. 36. ""(..) For example, the ancient Scythians, Sarmatians (amongst others), and many other attested but now extinct peoples were assimilated in the course of history by Proto-Slavs.""
^ Emmerick, Ronald Eric. "Iranian languages". Encyclopædia Britannica Online. Encyclopædia Britannica, Inc. Retrieved 29 May 2015.