Title: Istorii︠a︡ derevni Protasovo Kalininskogo raĭona Tverskoĭ oblasti
Subjects: Villages, History, Sources, Economic history, Social history
Places: Protasovo (Kalininskiĭ raĭon, Tverskai︠a︡ oblastʹ, Russia), Kalininskiĭ raĭon (Tverskai︠a︡ oblastʹ, Russia)