In 1932 the People's Commissariat for Education published an official list of "culturally backward" nationalities:
Martin (2001), p. 167. - Martin, Terry Dean (2001). The Affirmative Action Empire: Nations and Nationalism in the Soviet Union, 1923-1939. United States: Cornell University Press. ISBN 978-0-8014-8677-7.
Martin (2001), p. 56. - Martin, Terry Dean (2001). The Affirmative Action Empire: Nations and Nationalism in the Soviet Union, 1923-1939. United States: Cornell University Press. ISBN 978-0-8014-8677-7.
Martin (2001), p. 374. - Martin, Terry Dean (2001). The Affirmative Action Empire: Nations and Nationalism in the Soviet Union, 1923-1939. United States: Cornell University Press. ISBN 978-0-8014-8677-7.
Martin (2001), p. 166. - Martin, Terry Dean (2001). The Affirmative Action Empire: Nations and Nationalism in the Soviet Union, 1923-1939. United States: Cornell University Press. ISBN 978-0-8014-8677-7.
Martin (2001), p. 167. - Martin, Terry Dean (2001). The Affirmative Action Empire: Nations and Nationalism in the Soviet Union, 1923-1939. United States: Cornell University Press. ISBN 978-0-8014-8677-7.
Wixman (1984), p. 20. - Wixman, Ronald (1984). The Peoples of the USSR: An Ethnographic Handbook. United States: M. E. Sharpe. ISBN 978-0-87332-506-6.
Wixman (1984), p. 89. - Wixman, Ronald (1984). The Peoples of the USSR: An Ethnographic Handbook. United States: M. E. Sharpe. ISBN 978-0-87332-506-6.
Wixman (1984), p. 149. - Wixman, Ronald (1984). The Peoples of the USSR: An Ethnographic Handbook. United States: M. E. Sharpe. ISBN 978-0-87332-506-6.
Wixman (1984), p. 190. - Wixman, Ronald (1984). The Peoples of the USSR: An Ethnographic Handbook. United States: M. E. Sharpe. ISBN 978-0-87332-506-6.