Title: Bogosluzhebnyĭ i︠a︡zyk russkoĭ t︠s︡erkvi
Subjects: Doctrines, History, Liturgy, Texts, History and criticism, Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ, Sermons, Rituals, Russian language, Religious aspects