Columbia subject headings:
Gardening--Germany--Early works to 1800--Bibliography.
Gardens--Germany--Early works to 1800--Bibliography.
Horticulture--Germany--Early works to 1800--Bibliography.
Harvard subject headings:
Gardening--Germany--History--Bibliography.
Gardens--Germany--History--Bibliography.
Horticulture--Germany--History--Bibliography.
Princeton subject headings:
Gardening--Germany--History--Bibliography.
Gardens--Germany--History--Bibliography.
Horticulture--Germany--History--Bibliography.