Visser, H. F. E., author
De Spieghel Publishing, 1947
Buku Referensi
Vernoit, Stephen, edited
I.B. Tauris Publishers, 2000
Buku Referensi
Goyens de Heusch, Serge, author
Fonds Mercator, 1988
Buku Referensi
Vandevivere, Ignace
M. Vokaer, 1973
Buku Teks
Grousset, Rene
Librairie Plon, 1929
Buku Teks