- Leo Tolstoy. "How Much Land Does a Man Need?" In Master and Man and Other Parables and Tales.. London: J.M. Dent & Sons, 1911.
- "Ethnic Groups in Russia." Wikipedia. 04/15/21. <https://en.wikipedia.org/wiki/Ethnic_groups_in_Russia>.
- Prezi. "Prezi Tutorial: Get started in Prezi Next." YouTube. 03/28/19. 04/15/21. <https://www.youtube.com/watch?v=YKB4uJU-c9c&list=PL8ciRIuEbGNa6u9bHP9IlLCXRRKS0Y1Fk>.
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