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  1. By: Nikolskii, A. M. (Aleksandr Mikhailovich),
    Publication info: Petrograd, Akademiia nauk, 1915-1916
    Holding Institution: Smithsonian Libraries and Archives
  2. By: Nikolskii, A. M. (Aleksandr Mikhailovich), - Rossiĭskai︠a︡ akademii︠a︡ nauk. Zoologicheskiĭ muzeĭ.
    Publication info: Petrograd, Akademiia Nauk, 1918
    Holding Institution: Smithsonian Libraries and Archives