Columbia subject headings:
Historic gardens--Germany--Hesse--Guidebooks.
Parks--Germany--Hesse--Guidebooks.
Harvard subject headings:
Gardens--Germany--Hesse--Guidebooks.
Historic gardens--Germany--Hesse--Guidebooks.
Parks--Germany--Hesse--Guidebooks.
Princeton subject headings:
Gardens--Germany--Hesse.
Parks--Germany--Hesse.