Columbia subject headings:
Piksanov, N. K. (Nikolaĭ Kirʹi︠a︡kovich), 1878-1969.
Russian literature.
Harvard subject headings:
Piksanov, N. K. (Nikolaĭ Kirʹi︠a︡kovich), 1878-1969.
Russian literature
Princeton subject headings:
Piksanov, N. K. (Nikolaĭ Kirʹi︠a︡kovich), 1878-1969.
Russian literature.