Caucasus. Pyatigorsk. Input Failure [Izomaterial: electronic resource]: [postcard]. - Electronic data (2 files: 2.6 MB). - (St. Petersburg: Boris Yeltsin Presidential Library, 2014). - Access mode: the Internet portal of the Boris Yeltsin Presidential Library. The title from the screen. Electronic reproduction of the open letter: Caucasus. Pyatigorsk. Input Failure [Izomaterial]. [Before 1909]. 1 postcard: offset. On the letterhead of the Universal Postal Union. Location: From a private collection, St. Petersburg. Copying by users is not allowed.
I. Presidential Library. B. N. Yeltsin (St. Petersburg). II. Universal Postal Union. Territory (collection). 2. Postcards in the Presidential Library fund (collection). 3. Territory of Russia: Stavropol Territory (collection). 4. Pyatigorsk, city (Stavropol Territory) - Postcards. 5. Mashuk, the mountain (Caucasus North) - Postcards. 6. Documentary cards - Russia - 1904-1909.
BBC 63.3 (28-8Ter) 53n611
Source of electronic copy: PB Place of origin: From private collection