Columbia subject headings:
Harvard subject headings:
Nikolʹskiĭ, A. M. (Aleksandr Mikhaĭlovich), 1858-1942.
Zoologists--Soviet Union--Biography.
Princeton subject headings:
Nikolʹskiĭ, A. M. (Aleksandr Mikhaĭlovich), 1858-1942.
Zoologists--Soviet Union--Biography.