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  1. By: Rossiĭskai︠a︡ akademii︠a︡ nauk.
    Publication info: Petrograd, Akademiia, 1920-1925
    Holding Institution: Smithsonian Libraries and Archives
  2. By: Rossiĭskai︠a︡ akademii︠a︡ nauk.
    Publication info: Petrograd, Akademiia, 1917-1919
    Holding Institution: Smithsonian Libraries and Archives