Columbia subject headings:
Organic architecture--United States.
Organic architecture.
Wright, Frank Lloyd, 1867-1959.
Harvard subject headings:
Architecture--United States--History--20th century
Organic architecture--United States.
Wright, Frank Lloyd, 1867-1959--Contributions in organic architecture.
Wright, Frank Lloyd, 1867-1959.
Princeton subject headings:
Organic architecture--United States.
Wright, Frank Lloyd, 1867-1959.