Title: Trudy
Subjects: Clergy, Sermons, History, Old Believers, Catholic Church, Christian Denominations, History and principles of religions, Orthodox Eastern Church, Philosophy of religion. Psychology of religion. Religion in relation to other subjects, Religion (General), Russian Church, Russkai͡a pravoslavnai͡a t͡serkovʹ, Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ
Time periods: 19th century