Columbia subject headings:
Harvard subject headings:
Perestroĭka
Russia (Federation)--Foreign relations--United States.
Russia (Federation)--Politics and government--1991-
Soviet Union--History--Attempted coup, 1991.
Soviet Union--Politics and government--1985-1991.
United States--Foreign relations--Russia (Federation)
Princeton subject headings:
Russia (Federation)--Foreign relations--United States.
Russia (Federation)--Politics and government--1991-
United States--Foreign relations--Russia (Federation)