Columbia subject headings:
Landscape architecture.
Parks--Design and construction.
Parks--Planning.
Recreation areas--Design and construction.
Recreation areas--Planning.
Harvard subject headings:
Landscape architecture
Parks--Design and construction.
Parks--Planning.
Recreation areas--Design and construction.
Recreation areas--Planning.
Princeton subject headings:
Landscape architecture.
Parks--Design and construction.
Parks--Planning.
Recreation areas--Design and construction.
Recreation areas--Planning.