Columbia subject headings:
Gardens--Germany--History--19th century.
Historic gardens--Conservation and restoration--Germany.
Historic gardens--Conservation and restoration.
Harvard subject headings:
Gardens--Germany--History--19th century.
Historic gardens--Conservation and restoration--Germany.
Historic gardens--Conservation and restoration.
Historic gardens--Germany--Conservation and restoration.
Princeton subject headings:
Gardens--Germany--History--19th century.
Historic gardens--Conservation and restoration.
Historic gardens--Germany--Conservation and restoration.