Columbia subject headings:
Harvard subject headings:
Ceremonial entries--Germany--Brühl (Erftkreis)--Exhibitions.
Schloss Augustusburg (Brühl, Rhein-Erft-Kreis, Germany)--Exhibitions.
Visits of state--Germany--Brühl (Erftkreis)--Exhibitions.
World Heritage areas--Germany--Brühl (Erftkreis)--History--20th century--Exhibitions.
Princeton subject headings:
Ceremonial entries--Germany--Brühl (Erftkreis)--Exhibitions.
Schloss Augustusburg (Brühl, Rhein-Erft-Kreis, Germany)--Exhibitions.
Visits of state--Germany--Brühl (Erftkreis)--Exhibitions.
World Heritage areas--Germany--Brühl (Erftkreis)--History--20th century--Exhibitions.