Author Никольский Николай Васильевич Description Nikolsky, Nikolay Vasilyevich A collection of historical materials about the peoples of the Volga region. - Kazan: [Publishing Center. ord. Mari at the Narkomnatz], 1919. -480 s .. - . Source of the electronic copy: PB Publisher [Изд-во Центр. отд. Мари при Наркомнаце]
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