Columbia subject headings:
Architecture--United States--History--19th century.
Architecture--United States--History--20th century.
Wright, Frank Lloyd, 1867-1959--Criticism and interpretation.
Harvard subject headings:
Architecture--United States--History--19th century
Architecture--United States--History--19th century.
Architecture--United States--History--20th century
Architecture--United States--History--20th century.
Wright, Frank Lloyd, 1867-1959--Criticism and interpretation.
Princeton subject headings:
Architecture--United States--History--19th century.
Architecture--United States--History--20th century.
Wright, Frank Lloyd, 1867-1959--Criticism and interpretation.