Columbia subject headings:
Harvard subject headings:
Castles--France--Droué Region--History.
Droué Region (France)--Genealogy.
Droué Region (France)--History, Local.
Droué Region (France)--History.
Fiefs--France--Droué Region--History.
Historic sites--France--Droué Region--History.
Manors--France--Droué Region--History.
Nobility--France--Droué Region--Genealogy.
Nobility--France--Droué Region--History.
Princeton subject headings:
Castles--France--Droué Region--History.
Droué Region (France)--Genealogy.
Droué Region (France)--History, Local.
Fiefs--France--Droué Region--History.
Manors--France--Droué Region--History.
Nobility--France--Droué Region--Genealogy.
Nobility--France--Droué Region--History.