Columbia subject headings:
Castle Howard (England)--History.
Country homes--England--North Yorkshire--History.
Historic buildings--England--North Yorkshire--History.
Howard family.
North Yorkshire (England)--Social conditions.
Harvard subject headings:
Castle Howard (England)--History.
Country homes--England--North Yorkshire--History.
Historic buildings--England--North Yorkshire--History.
Howard family.
Manors--England--North Yorkshire--History.
North Yorkshire (England)--Social conditions.
Princeton subject headings:
Castle Howard (England)
Castles--England--North Yorkshire--History.
Howard family.