Columbia subject headings:
Landscape architecture--Europe--History--20th century.
Urban landscape architecture--Europe--History--20th century.
Harvard subject headings:
Architecture--Europe--21st century.
Architecture--Europe--History--20th century
Landscape architecture--Europe.
Landscape design--Europe.
Urban landscape architecture--Europe.
Princeton subject headings:
Architecture--Europe--21st century.
Architecture--Europe--History--20th century.
Landscape architecture--Europe.
Landscape design--Europe.
Urban landscape architecture--Europe.