Columbia subject headings:
Gardens--History.
Historic gardens--Conservation and restoration.
Plants, Ornamental--History.
Seiler, Michael, 1939-
Harvard subject headings:
Gardens--Design--Europe--History.
Gardens--Design--Germany--History.
Gardens--History
Historic gardens--Conservation and restoration.
Landscape gardening--Europe--History.
Landscape gardening--Germany--History.
Plants, Ornamental--History.
Seiler, Michael, 1939-
Seiler, Michael, 1939-.
Princeton subject headings:
Gardens--History.
Landscape architecture--History.