Schoolpresentatie Bredaas industrieel erfgoed https://www.calseyde.nl/wp-content/uploads/2014/10/schoolpresentatie.jpg 800 600 Walter van de Calseyde Walter van de Calseyde https://secure.gravatar.com/avatar/93b6450145951edc7a1e9ddc4231a9a1?s=96&d=mm&r=g 8 november 2019 9 december 2019 8 november 2019 Walter van de Calseyde 7