Title: Optina pustynʹ
Subjects: Bibliography, Exhibitions, Gosudarstvennai︠a︡ publichnai︠a︡ istoricheskai︠a︡ biblioteka (Russia), Kozelʹskai︠a︡ Vvedenskai︠a︡ Optina (Monastery), Orthodox Eastern Monasticism and religious orders, Gosudarstvennai͡a publichnai͡a istoricheskai͡a biblioteka (Russia), Kozelʹskai͡a Vvedenskai͡a Optina (Monastery)