Columbia subject headings:
Birkerts, Gunnar.
Gunnar Birkerts & Associates.
Harvard subject headings:
Architecture--United States--History--20th century
Architecture--United States--History--20th century.
Birkerts, Gunnar, 1925-
Birkerts, Gunnar.
Gunnar Birkerts & Associates.
Princeton subject headings:
Birkerts, Gunnar.
Gunnar Birkerts & Associates.