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Report on the work of zemstvo specialists in improving agriculture in the Perm province ... - Perm: B. i., 1906. -
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Source of the electronic copy: PB |
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During the time from April 1, 1905 to April 1, 1906 - Electro-type. Lips. Zemstvo, 1906.-VI, 283 with. : table .. -
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Source of the electronic copy: PB |
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Ru