Columbia subject headings:
Harvard subject headings:
City planning--History--20th century
City planning--History--21st century.
Expenditures, Public--History--20th century.
Expenditures, Public--History--21st century.
Public spaces--Planning--History--20th century.
Public spaces--Planning--History--21st century.
Princeton subject headings:
City planning--History--20th century.
City planning--History--21st century.
Expenditures, Public--History--20th century.
Expenditures, Public--History--21st century.
Public spaces--Planning--History--20th century.
Public spaces--Planning--History--21st century.