| Description | 
    
|  |  |  |  |  |  | Baikal. "Two brothers" [Izomaterial: electronic resource]: [postcard]. - Electronic data (2 files: 1.95 MB). - (St. Petersburg: Boris Yeltsin Presidential Library, 2014). - Access mode: the Internet portal of the Boris Yeltsin Presidential Library.
 The title from the screen.
 On the front side number: № 29.
 Electronic reproduction of the open letter: Baikal. "Two brothers" [Izomaterial]. Ed. DP Efimova, 1905 (photos by Scherer, Nabgolts and Co.). 1 card: phototype. On the letterhead of the Universal Postal Union. Location: Children's Museum of Greeting Cards, St. Petersburg.
 Copying by users is not allowed
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 |  | I. Efimov, Dmitry Panfilovich (publisher, bookseller, 1866-1930). II. Presidential Library. B. N. Yeltsin (St. Petersburg). III. Universal Postal Union. Postcards in the Presidential Library fund (collection). 2. Territory (collection). 3. Primorye Range (Baikal Region) - Postcards. 4. Documentary cards - Russia - 1904-1909. |  | ББК 26.89 (285.47) я611 
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 | E-copy source: PB Original storage: Children's postcard museum
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