Columbia subject headings:
Diplomats--Soviet Union--Biography.
Troi︠a︡novskiĭ, Oleg.
Harvard subject headings:
Diplomats--Soviet Union--Biography
Soviet Union--Foreign relations--1945-1991.
Troi︠a︡novskiĭ, Oleg.
Princeton subject headings:
Diplomats--Soviet Union--Biography.
Soviet Union--Foreign relations--1945-1991.
Troi︠a︡novskiĭ, Oleg.