Columbia subject headings:
Soviet Union--History--Attempted coup, 1991--Chronology.
Harvard subject headings:
Soviet Union--History--Attempted coup, 1991--Chronology.
Soviet Union--History--Attempted coup, 1991--Sources.
Soviet Union--Politics and government--1985-1991--Sources.
Princeton subject headings:
Soviet Union--History--Attempted coup, 1991--Chronology.