Columbia subject headings:
Gardens--Europe, Central--Pictorial works.
Gardens--Europe, Central.
Harvard subject headings:
Europe, Central--Guidebooks.
Gardens, European--Guidebooks.
Gardens, European--History--Guidebooks.
Gardens--Europe, Central--Design--History--Guidebooks.
Gardens--Europe, Central--Guidebooks.
Princeton subject headings:
Gardens--Europe, Central.
Gardens--Europe, Eastern.