Dougherty, Percy H., editor
Springer, 2012
eBooks
Buning, J.W.F. (Johan Willem Frederik) Werumeus, 1891-1958, author
Donker, 1957
Buku Teks
[samengest. door Jan H. de Groot en C. Ouboter]
Lindonk, [date of publication not identified]
Buku Teks
Dolan, Paul, author
Bhuana Ilmu Populer, 2004
Buku Teks
Frost, Michael J.
Gower Press, 1971
Buku Teks