Columbia subject headings:
Authors, Yakut--20th century.
Oĭunskiĭ, P. A. (Platon Alekseevich), 1893-1939.
Harvard subject headings:
Princeton subject headings:
Authors, Yakut--20th century.
Oĭunskiĭ, P. A. (Platon Alekseevich), 1893-1939.