Columbia subject headings:
Gardens--Design--Dictionaries.
Gardens--Dictionaries.
Gardens--History--Dictionaries.
Landscape architecture--Dictionaries.
Landscape gardening--Dictionaries.
Harvard subject headings:
Gardens--Design--Dictionaries.
Gardens--Design--Encyclopedias.
Gardens--Dictionaries.
Gardens--Encyclopedias.
Gardens--History--Dictionaries.
Gardens--History--Encyclopedias.
Landscape architecture--Dictionaries.
Landscape architecture--Encyclopedias.
Landscape gardening--Dictionaries.
Landscape gardening--Encyclopedias.
Princeton subject headings:
Gardens--Design--Dictionaries.
Gardens--Dictionaries.
Gardens--History--Dictionaries.
Landscape architecture--Dictionaries.
Landscape gardening--Dictionaries.