Title: Usadʹba Petrovskoe i rod dvori︠a︡n Mikhalkovykh v istorii Rybinskogo krai︠a︡
Subjects: Nobility, History, Biography, Manors, Country homes, Local History
Places: Russia, Rybinsk (I︠A︡roslavskai︠a︡ oblastʹ, Russia)
People: Mikhalkov family