The copyright of all elements of Amsterdam Typography, such as photos, texts, the collection of locations, and the website, is held by Arno Verweij. Without prior permission in writing, you may not republish any of these elements. You can send your requests for permission with this contact form.
The map software of PDOK has a CC-BY-SA license.
The map software of OpenLayers has a BSD-2-Clause license.
The map images of Kadaster have a CC-BY license.