Thomson, David, author
Longmans, 1962, 1973
Buku Teks
Thody, Philip, author
Routledge, 2000
Buku Teks
Freymond, Jacques, author
Frederick A. Preager, 1964
Buku Teks
Branca, Patricia, author
Croom Helm, 1978
Buku Teks
Laqueur, Walter
N.Y Penguin, 1982
Buku Teks