Columbia subject headings:
Dover Castle (Dover, England)
Henry III, King of England, 1207-1272.
Westminster Abbey.
Winchester Castle (England)
Harvard subject headings:
Architecture, Medieval--England--Sources.
Dover Castle.
Henry III, King of England, 1207-1272.
Westminster Abbey.
Winchester Castle.
Princeton subject headings:
Architecture, Medieval--England--Sources.
Dover Castle (Dover, England)--History--Sources.
Henry III, King of England, 1207-1272.
Westminster Abbey--History--Sources.
Winchester Castle--History--Sources.