Title: Istorii︠a︡ derevni Olbovo Kalininskogo raĭona Tverskoĭ oblasti
Subjects: Villages, Village communities, History, Sources, Economic history, Social history, Manners and customs
Places: Kalininskiĭ raĭon (Tverskai︠a︡ oblastʹ, Russia), Olbovo (Kalininskiĭ raĭon, Tverskai︠a︡ oblastʹ, Russia)