Reinier Sijbrands
HSN employee
Historical Sample of the Netherlands (HSN)
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Historical Sample of the Netherlands (HSN)
Kirsten Schimmel
HSN employee
Bert Schijf
Volunteer HSN
Cor Munnik
Programmer
Jos van Hees
HSN employee
Theo Dibbets
HSN volunteer
Marja Koster
Data Coordinator
Jan Bartman
Volunteer HSN
Behice Gül
HSN employee
Rolf Wasser
HSN employee
