Keulen, Mensje van, author
Atlas, 1997
Buku Teks
Fasseur, Cees, author
Balans, 2008
Buku Teks
Meijer, Ischa, author
Veen, 1989
Buku Teks
[publisher not identified], [date of publication not identified]
Naskah
Van de Walle, John A., author
Koninklijke Bibliotheek, 1963
Buku Teks