needed] In order to attract more "quality tourism" a plan was made called Vestingstad Valkenburg (Fortification Town Valkenburg). Included in the plan were...

Geschiedenis van Hulst Archived 2009-03-12 at the Wayback Machine. Hulst Vestingstad Official website (in Dutch) Hulst at Wikipedia's sister projects: Media...

ISBN 978-0313335365. Wikimedia Commons has media related to Siege of Groenlo 1627. Battle for Grolle 2008 (reenactment) (in English) Groenlo Vestingstad (in English)...