edited by David Larkin and Bruce Brooks Pfeiffer
Rizzoli in association with the Frank Lloyd Wright Foundation, 1993
Buku Referensi
Sargeson, Frank, author
Longman Paul, 1978
Buku Teks
Steenmeijer, Anna G., author
Contact, 1970
Buku Teks
Lee, Carol Ann, author
Balans, 1998
Buku Teks
Galletti, R.
Oxford University Press, 1956
Buku Teks