Columbia subject headings:
Garden walks--Austria.
Gardens--Austria--Design and construction.
Historic gardens--Conservation and restoration--Austria.
Ornamental trees--Austria.
Harvard subject headings:
Formal gardens--Design--Austria.
Garden structures--Austria.
Historic gardens--Austria.
Princeton subject headings:
Garden walks--Austria.
Gardens--Austria--Design and construction.
Historic gardens--Conservation and restoration--Austria.
Ornamental trees--Austria.