Title: Rosyjski kościół prawosławny a wojna ojczyźniana
Subjects: History, Patriarchs, World War, 1914-1918, Orthodox Eastern Church, Metropolitanates, Correspondence, Church and state, Church history, Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ
Places: Soviet Union
People: Nicholas Metropolitan of Kiev and Galich, Sergiĭ Patriarch of Moscow and All Russia (1867-1944)