The following persons and institutions have contributed to this project:

Overijssel Historical Centre,
Zwolle:
Roland de Jong
(project lead, descriptions, selection of materials, texts)
Piet den Otter
(department head Information and Knowledge)
Daphne Kampman-Maas
(website content manager, subsite development support)
Frédérique te Dorsthorst-de Muij
(PR associate, text support)

Pictura Imaginis,
Heiloo:
(digitisation)

DEVENTit BV,
Bunschoten-Spakeburg:
(Atlantis database management and maintenance)

Miscellaneous:
Mattie Boom, Rijksmuseum Amsterdam
Mirelle Thijsen, photographic historian
Giel van Hooff, Stichting Historie der Techniek
Peter Nijhof, National Service for Monument Care
(supervisory committee for the selection)