Columbia subject headings:
Harvard subject headings:
Christianity--Russia--20th century.
Church and state--Russia
Church and state--Russia (Federation)
Church and state--Soviet Union
Mary, Blessed Virgin, Saint--Devotion to--Russia (Federation)
Mary, Blessed Virgin, Saint--Devotion to--Russia.
Mary, Blessed Virgin, Saint--Devotion to--Soviet Union.
Russia--Church history--20th century.
Princeton subject headings:
Christianity--Russia--20th century.
Church and state--Russia (Federation)
Church and state--Russia.
Church and state--Soviet Union.
Mary, Blessed Virgin, Saint--Devotion to--Russia (Federation).
Mary, Blessed Virgin, Saint--Devotion to--Russia.
Mary, Blessed Virgin, Saint--Devotion to--Soviet Union.
Russia--Church history--20th century.