Title: Optina pustynʹ i ee vospitanniki v 1825-1917 godakh
Subjects: History, Kozelʹskai︠a︡ Vvedenskai︠a︡ Optina (Monastery), Biography, Church history, Monasteries, Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ, Orthodox Eastern Church, Kozelʹskai͡a Vvedenskai͡a Optina (Monastery)
Places: Kozelʹsk (Russia)