Columbia subject headings:
Perestroĭka.
Soviet Union--Politics and government--1985-1991.
Vlasov, I︠U︡riĭ, 1935---Correspondence.
Harvard subject headings:
Perestroĭka
Soviet Union--Politics and government--1985-1991.
Vlasov, I︠U︡riĭ, 1935---Correspondence.
Princeton subject headings:
Perestroĭka.
Russia (Federation)--Politics and government--1991-
Soviet Union--Politics and government--1985-1991.