Papini, Giovanni
Dutton, 1952
Buku Teks
Emerson, Ralph Waldo
Hougtion Mifflin Company, 1904
Buku Teks
Campos, D. Redig de
Milano Amilcare Pizzi [t.th.]
Buku Referensi
Bradbury, Kirsten
Bath Parragon 2001,
Buku Referensi
edited by Ludwig Goldscheider
Phaidon, 1953
Buku Referensi