Columbia subject headings:
Gorbachev, Mikhail Sergeevich, 1931-
Heads of state--Soviet Union--History.
Khrushchev, Nikita Sergeevich, 1894-1971.
Perestroĭka.
Soviet Union--History--Attempted coup, 1991.
Yeltsin, Boris Nikolayevich, 1931-2007.
Harvard subject headings:
Gorbachev, Mikhail Sergeevich, 1931-
Heads of state--Russia (Federation)--Biography.
Heads of state--Soviet Union--Biography.
Heads of state--Soviet Union--History.
Khrushchev, Nikita Sergeevich, 1894-1971.
Perestroĭka
Russia (Federation)--Politics and government.
Soviet Union--History--Attempted coup, 1991.
Soviet Union--Politics and government.
Yeltsin, Boris Nikolayevich, 1931-2007
Princeton subject headings:
Gorbachev, Mikhail Sergeevich, 1931-2022.
Heads of state--Russia (Federation)--Biography.
Heads of state--Soviet Union--Biography.
Khrushchev, Nikita Sergeevich, 1894-1971.
Perestroĭka.
Russia (Federation)--Politics and government.
Soviet Union--History--Attempted coup, 1991.
Soviet Union--Politics and government.
Yeltsin, Boris Nikolayevich, 1931-2007.