I, the copyright holder of this work, hereby publish it under the following license: English Flag-map of the Soviet Union (1936) determination method or...
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personal collection Author Post of the Soviet Union (Рис.: Лесегри (Б. И. Лебедев (1910—1997), Леонард Сергеев (1936—?), Марк Давидович Гринберг (1925—...
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