Ishin Andrey Vyacheslavovych. Activity of State Institutions in Crimea in the Years of Revolution and Civil War (1917 - 1922 years). : д.і.н. : spec.. 07.00.01 - Історія України : presented. 2013-12-11; popup.evolution: .; Dniepropetrovsk national university. – , 0513U001311.

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