Columbia subject headings:
Historic buildings--Russia (Federation)--I︠A︡ropolet︠s︡.
I︠A︡ropolet︠s︡ (Russia)--History.
Manors--Russia (Federation)--I︠A︡ropolet︠s︡.
Harvard subject headings:
Chernyshev family.
Country homes--Russia (Federation)--I͡Aropolet͡s.
Goncharov family.
I︠A︡ropolet︠s︡ (Russia)--History.
Manors--Russia (Federation)--I͡Aropolet͡s.
Princeton subject headings:
Chernyshev family--Homes and haunts--Russia (Federation)--I︠A︡ropolet︠s︡.
Goncharov family--Homes and haunts--Russia (Federation)--I︠A︡ropolet︠s︡.
Historic buildings--Russia (Federation)--I︠A︡ropolet︠s︡.
I︠A︡ropolet︠s︡ (Russia)--Buildings, structures, etc.--History.
I︠A︡ropolet︠s︡ (Russia)--History.
Manors--Russia (Federation)--I︠A︡ropolet︠s︡--History.
Nobility--Homes and haunts--Russia (Federation)--I︠A︡ropolet︠s︡.