Columbia subject headings:
Trubet︠s︡koĭ, Pavel Petrovich, kni︠a︡zʹ, 1866-1938--Appreciation.
Trubet︠s︡koĭ, Pavel Petrovich, kni︠a︡zʹ, 1866-1938--Catalogs.
Harvard subject headings:
Trubet︠s︡koĭ, Pavel Petrovich, kni︠a︡zʹ, 1866-1938.
Princeton subject headings:
Trubet︠s︡koĭ, Pavel Petrovich, kni︠a︡zʹ, 1866-1938--Appreciation.
Trubet︠s︡koĭ, Pavel Petrovich, kni︠a︡zʹ, 1866-1938--Catalogs.