Title: Kostromskoĭ kraĭ i sopredelʹnye territorii v drevnosti, Srednevekovʹe i v Novoe vremi︠a︡
Subjects: Congresses, History, Archaeology
Places: Kostromskai︠a︡ oblastʹ (Russia)
People: P. N. Tretʹi︠a︡kov