author
Known mainly for the Dutch collection Kleurig en donker, this little-documented writer appears in major public-domain and library catalogs rather than in fuller modern biographies. The surviving record suggests a storyteller with a place in Dutch literary archives, even if many personal details have faded from view.

by Willem van Amsterdam
Willem van Amsterdam is a Dutch author best known today for Kleurig en donker, a work preserved by Project Gutenberg and listed by library resources such as The Online Books Page. Those records confirm the book's continued availability and show that his name remains part of the public-domain literary record.
Reliable biographical information about him is surprisingly scarce in the sources currently easy to verify online. Because of that, it is safest to describe him as a little-documented Dutch writer whose reputation now rests chiefly on Kleurig en donker, rather than to repeat uncertain claims about his life or career.
That scarcity of detail gives his work a certain old-library intrigue: he is one of those authors kept alive less by celebrity than by the survival of a book, a catalog entry, and readers still curious enough to look him up.