Columbia subject headings:
Christians--Soviet Union.
Freedom of religion--Soviet Union.
Gorbachev, Mikhail Sergeevich, 1931-
Harvard subject headings:
Church and state--Soviet Union--History
Communism and Christianity--Soviet Union--History.
Freedom of religion--Soviet Union--History.
Persecution--Soviet Union--History
Soviet Union--Church history.
Princeton subject headings:
Christians--Soviet Union.
Freedom of religion--Soviet Union.
Gorbachev, Mikhail Sergeevich, 1931-2022.