The Greatest Witch-Trial of All Gustav Henningsen on the Navarre witch-trials of the 17th century. Gustav Henningsen | Published in History Today Volume 30 Issue 11 November 1980 The inquisitors at Logrono in northern Spain were kept busy during the summer of 1613. To continue reading this article you will need to purchase access to the online archive. Buy Online Access Buy Print & Archive Subscription If you have already purchased access, or are a print & archive subscriber, please ensure you are logged in. Please email digital@historytoday.com if you have any problems.