Columbia subject headings:
Harvard subject headings:
Castles--Germany--Euskirchen (Kreis)
Euskirchen (Germany : Kreis)--Description and travel.
Nobility--Germany--Euskirchen (Kreis)
Princeton subject headings:
Castles--Germany--Euskirchen (Kreis).
Euskirchen (Germany : Kreis)--Description and travel.
Nobility--Germany--Euskirchen (Kreis).