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