Columbia subject headings:
Land use--United States--History.
Landscape architecture--United States--History.
Landscapes--United States--History.
Harvard subject headings:
Land use--United States--History.
Landscape architecture--United States--History.
Landscapes--United States--History.
Princeton subject headings:
City planning--United States--History.
Land use--United States--History.
Landscape architecture--United States--History.
Landscapes--United States--History.