Columbia subject headings:
Architecture--Europe, Western--History--20th century.
Architecture--Europe, Western--History--21st century.
Architecture--Human factors.
Kroll, Lucien.
Harvard subject headings:
Architecture--Europe, Western--History.
Architecture--Human factors
Kroll, Lucien.
Princeton subject headings:
Architecture--Europe, Western--History--20th century.
Architecture--Europe, Western--History--21st century.
Architecture--Human factors.
Kroll, Lucien.