Thomas S. Noonan, European Russia c500-c1050, in Timothy Reuter e Rosamond McKitterick (a cura di), The New Cambridge Medieval History: Volume 3, C.900-c.1024, vol. 3, Cambridge University Press, 1999, pp. 485–534, ISBN978-0-521-36447-8.
"Donets Basin (archiviato dall'url originale il 4 febbraio 2016)." (Donbas), pp.135–136 in: Historical Dictionary of Ukraine. Ivan Katchanovski, Zenon Kohut, Bohdan Y. Nebesio, Myroslav Yurkevich. Lanham : The Scarecrow Press, Inc., 2013. 914 p. ISBN 081087847X