Title: I.I︠A︡. Tvertin svi︠a︡shchennik-khleborob
Subjects: Agronomy, Orthodox Eastern Church, Clergy, Biography, Agriculturists
Places: Russia, Tobolʹskai︠a︡ gubernīi︠a︡
People: I. I︠A︡ Tveritin (1807?-1892?)