Balander, Georges
Penguin Books, 1970
Buku Teks
Zuylen, Baron Pierre van
Paris Desclee de Brouwer 1950
Buku Teks
Nay, Olivier, author
Paris : Armond Colin, 2005
Buku Referensi
Rollet, Jacques, author
Editions Grasset & Fasquelle, 2001
Buku Teks
Huber, Gerard
Peter Lang , 1982
Buku Teks