The first regional congress of the Union of Education Workers.1931 TsGA of the Republic of Mordovia.R.6169-P.OP.1. D. 406.

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The first regional congress of the Union of Education Workers.1931 TsGA of the Republic of Mordovia.R.6169-P.OP.1. D. 406. - 1931. -Letter from the Central Committee of the Republic of Mordovia dated 22 .11.2018 No. 115T/A 605: Power..Source of electronic copy: TsGA of the Republic of Mordovia
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