Columbia subject headings:
Moscow (Russia)--Church history--20th century--Sources.
Moscow (Russia)--History--1917-1921.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Russia (Federation)--Moscow--History--20th century--Sources.
Harvard subject headings:
Moscow (Russia)--Church history--20th century--Sources.
Moscow (Russia)--History--1917-1921.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Russia (Federation)--Moscow--History--20th century--Sources.
Princeton subject headings: