Columbia subject headings:
Gardens--History--Periodicals.
Landscape architecture--Periodicals.
Landscape gardening--Periodicals.
Harvard subject headings:
Gardens--History--Periodicals.
Landscape architecture--Periodicals
Landscape gardening--Periodicals.
Princeton subject headings:
Gardens--History--Periodicals.
Landscape architecture--Periodicals.
Landscape gardening--Periodicals.
Periodicals.