Title: Mit ganzem Herzen glauben
Subjects: Doctrines, Ecumenical movement, Orthodox Eastern Church, Relations, History, Church history, Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ, Russkai︠a︡ Pravoslavnai︠a︡ T︠s︡erkov
Places: Soviet Union