Fountain pen - Talens - Apeldoorn
Dip pen - Fountain pen -Square Academic Cap - Leiden
Pen - Square academic cap - Mortarboard
Ballpoint pen - Deventer
Dip pen - Fountain pen - Zwolle
Feather pen - Kampen
Dip pen - Fountain pen - Assen
Fountain pen - Geha
Sign pen - Pentel
Correspondences - Writing - Post Museum
