Columbia subject headings:
Philosophers--Russia--Biography.
Trubet︠s︡koĭ, S. N. (Sergeĭ Nikolaevich), kni︠a︡zʹ, 1862-1905.
Harvard subject headings:
Philosophers--Russia--Biography
Trubet︠s︡koĭ, S. N. (Sergeĭ Nikolaevich), kni︠a︡zʹ, 1862-1905.
Princeton subject headings:
Philosophers--Russia--Biography.
Trubet︠s︡koĭ, S. N. (Sergeĭ Nikolaevich), kni︠a︡zʹ, 1862-1905.