Columbia subject headings:
Harvard subject headings:
Art objects--Private collections--Austria--Burgenland.
Burg Forchtenstein (Burgenland, Austria)--History.
Military art and science--Germany--Prussia--History.
Princeton subject headings:
Art objects--Private collections--Austria--Burgenland.
Burg Forchtenstein (Burgenland, Austria)--History.
Military art and science--Germany--Prussia--History.