Columbia subject headings:
Architectural drawing--United States--20th century.
Architecture--United States--History--20th century.
Art, Municipal--United States.
City planning--United States.
Ferriss, Hugh, 1889-1962.
Harvard subject headings:
City planning--Forecasting.
City planning--United States--History--20th century
Ferriss, Hugh, 1889---Themes, motives.
Ferriss, Hugh, 1889-1962--Themes, motives.
Skyscrapers--United States.
Skyscrapers.
Princeton subject headings:
City planning--Forecasting.
City planning--United States--History--20th century.
Skyscrapers--United States.