Columbia subject headings:
City planning--History--20th century.
City planning--History--21st century.
Olympics--Planning.
Sports facilities.
Harvard subject headings:
City planning--History--20th century
City planning--History--21st century.
Olympics--Planning
Sports facilities
Princeton subject headings:
City planning--History--20th century.
City planning--History--21st century.
Olympics--Planning.
Sports facilities.