Columbia subject headings:
Harvard subject headings:
Historic gardens--Germany--Rhineland-Palatinate.
Landscape architecture--Germany--Rhineland-Palatinate.
Landscape gardening--Germany--Rhineland-Palatinate.
Princeton subject headings:
Historic gardens--Germany--Rhineland-Palatinate.
Landscape architecture--Germany--Rhineland-Palatinate.
Landscape gardening--Germany--Rhineland-Palatinate.