Columbia subject headings:
Architecture--Middle West--History--20th century.
Architecture--Middle West.
Prairie school (Architecture)
Wright, Frank Lloyd, 1867-1959.
Harvard subject headings:
Architecture--Middle West
Architecture--Middle West--History--20th century
Prairie school (Architecture)
Wright, Frank Lloyd, 1867-1959.
Princeton subject headings:
Architecture--Middle West--History--20th century.
Prairie school (Architecture)
Wright, Frank Lloyd, 1867-1959.