According to researchers, Freemasonry’s historic archives accumulated by the Nazis during wartime purification may still reveal secrets about society. From female Masonic lodge insights to sheet music used at the closing ceremony, this mountain in an old university library in western Poland already sheds light on little-known history. But more work needs to be done to fully investigate all 80,000 points from the 17th century to pre-WWII. Freemasonry collars can be found next to the bookshelves of the Poznan University Library, which houses a historic archive of European Freemasons collected by the Nazis. During the exhibition at the Poznan University...