Drs. Wilhelmina (Helen) C.M. Wüstefeld

Freelance researcher, specialist in medieval manuscripts

Helen Wüstefeld has degrees in Medieval History (M.A., University of Groningen) and Library Science (M.Sc., Simmons College, Boston, USA) and completed manuscript studies at Leiden University. She joined our firm in Basel as senior researcher after many years of experience with medieval books in museums and libraries in the Netherlands. While she now enjoys retirement, she continues to be active in the field of medieval manuscripts and serves us as advisor and researcher.





Please contact us with any inquiries.


Dr. Jörn Günther Rare Books AG

Mosboden 1
6063 Stalden, Switzerland 


Office and research in Basel:
Dr. Jörn Günther Rare Books AG
Spalenberg 55
4051 Basel Switzerland 


Tel. +41 61 275 75 75
Fax +41 61 275 75 76


Please call from Monday to Friday, 9 a.m. to 6 p.m.

Visitors are welcome in our premises by appointment.

We are closed for the holidays from 21st December 2020 to 4th January 2021.


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