You can help Kronos by placing an order at bol.com, thuisbezorgd.nl and many other shops via the following link: https://www.sponsorkliks.com/products/shops.php?club=7350. You do not pay anything extra, but you do support Kronos since the association then gets part of revenues of these shops.

You can also help Kronos by placing an order at Amazon.de (which offers free shipping to the Netherlands)

Order books & other articles from Amazon

(Tip: make sure there's always &tag=kronos0c-21 at the end of the link when you're ordering, if not you can manually add it by copying this link at the end of your link)