Title: Uchenie Optinskikh start︠s︡ev
Subjects: Doctrines, Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ, Orthodox Eastern Church, Monks, Kozelʹskai︠a︡ Vvedenskai︠a︡ Optina (Monastery)
Places: Russia (Federation)