Columbia subject headings:
Harvard subject headings:
Communism--Italy--History--20th century
Gorbachev, Mikhail Sergeevich, 1931-
Natta, Allesandro.
Occhetto, Achille.
Partito comunista italiano
Princeton subject headings:
Communism--Italy.
Communism--Soviet Union.
Gorbachev, Mikhail Sergeevich, 1931-2022--Political and social views.
Gorbachev, Mikhail Sergeevich, 1931-2022--Travel--Italy.
Natta, Alessandro.
Occhetto, Achille.
Partito comunista italiano.