Description Collected Works of the Chelyabinsk District Methodological Commission ... Sat. 2 / Chelyab. okr. ord. b. Education, Method. commis. - Chelyabinsk: Chelyabinsk. okr. Society. Dep., 1925. - . Source of the electronic copy: Chelyabinsk OUNB Publisher Челябинск : Челяб. окр. общ. отд.
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