Всесоюзная перепись населения 1979 г. Национальный состав населения по регионам России [All Union Population Census of 1979. Ethnic composition of the population by regions of Russia] (XLS). Всесоюзная перепись населения 1979 года [All-Union Population Census of 1979] (in Russian). 1979 – via Demoscope Weekly (website of the Institute of Demographics of the State University—Higher School of Economics.
"Указ Президиума ВС РСФСР от 01.02.1963" [Decree of the Presidium of the Supreme Soviet of the RSFSR dated 02/01/1963]. www.libussr.ru (in Russian). Archived from the original on May 23, 2018. Retrieved May 22, 2018.
"Указ Президиума ВС РСФСР от 01.02.1963" [Decree of the Presidium of the Supreme Soviet of the RSFSR dated 02/01/1963]. www.libussr.ru (in Russian). Archived from the original on May 23, 2018. Retrieved May 22, 2018.