Columbia subject headings:
Historiography--Religious aspects--Russkai͡a pravoslavnai͡a t͡serkovʹ.
Russia (Federation)--Historiography.
Russia (Federation)--History--Philosophy.
Russia--History--Philosophy.
Harvard subject headings:
History--Religious aspects
Russia (Federation)--History--Philosophy.
Russia--History--Philosophy.
Princeton subject headings:
History--Religious aspects.
Russia (Federation)--History--Philosophy.
Russia--History--Philosophy.