van Groningen, Catharina L., Netherlands

• Bulletin KNOB Bulletin KNOB 101 (2002) 3-4 - Articles
  The Castle in Zeist and its residents from 1745 to 1924
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• Bulletin KNOB Bulletin KNOB 102 (2003) 3 - Articles
  Maarsbergen. From deanery to castle
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• Bulletin KNOB Bulletin KNOB 106 (2007) 2 - Articles
  Vollenhoven. The development of a pleasure garden in the range of hills called ‘Utrechtse Heuvelrug’ in the first half of the nineteenth century
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