Columbia subject headings:
Architecture, Modern--20th century.
City planning--History--20th century.
Urban landscape architecture--History--20th century.
Harvard subject headings:
Architecture, Modern--21st century
City planning--History--20th century
Urban landscape architecture--History--20th century.
Princeton subject headings:
Architecture, Modern--20th century.
City planning--History--20th century.
Urban landscape architecture--History--20th century.