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Educational institutions and sowing campaign / North. edges. ord. b. education. - Arkhangelsk: B. and., 1930. -
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I. The Northern Territories. Department of Public Education. |
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Source of the electronic copy: PB |
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Issue. 1: An instructive letter on the conduct of the spring agricultural campaign of 1930. - Gos. publishing house. Sev. edges. Otd-tion, 1930. -16 with .. -
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Source of the electronic copy: PB |
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Ru