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|  |  | Ermolov, Alexey Sergeevich (1847-1917). |  |  |  | National agricultural wisdom in proverbs, sayings and signs: 1-4 / A. Ermolov. - St. Petersburg: type. A.S. Suvorin, 1901-1905. -4 t.; 23
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 | Source of the electronic copy: PB | 
 |  | 3: Animal world in the views of the people. - 1905. -VII, [3], 555 s .. -
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 | Source of the electronic copy: PB | 
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