Lewis, Roy
Penguin Books, 1949
Buku Teks
Smith, Lewis Worthington
Follett Publishing Company, 1930
Buku Teks
Lewis, Bernard, author
C. Timling, 1963
Buku Teks
Wright, Frank Lloyd, author
Princeton Architectural Press, 2001
Buku Teks
Lewis, Bermnard
University of Chicago Press, 1988
Buku Teks