Columbia subject headings:
Art patrons--Soviet Union--Biography.
Tretʹi︠a︡kov, Pavel Mikhaĭlovich, 1832-1898.
Harvard subject headings:
Art patrons--Russia--Biography.
Art patrons--Soviet Union--Biography.
Art--Collectors and collecting--Russia--Biography.
Tretʹi︠a︡kov, Pavel Mikhaĭlovich, 1832-1898.
Princeton subject headings: