Links 

Zuiderzeemuseum
settled in Enkhuizen, a pretty old town in the north-west part of the Netherlands,
represent a great part of the Marken photos made by Henk van der Leeden
www.zuiderzeemuseum.nl

BlowUp Gallery
represents work of Henk van der Leeden
www.blowupgallery.com

GKf
Platform of Dupho, association of professional Dutch photographers 
www.dupho.nl

Hollandse Hoogte
Dutch Photo Agency represents work of Henk van der Leeden
www.hollandse-hoogte.nl