Poznan: Curators combing through the vast historical collection of Freemasonry in Europe gathered by the Nazis in their anti-war Masonic purge say they believe the mystery is still to be unraveled. From insights from women’s Masonic lodges to musical scores used in closed ceremonies, the trove, housed in an old university library in western Poland, sheds light on an already little-known history. But more work remains to be done to fully examine all 80,000 items from the 17th century to the period before World War II. “It is one of the largest Masonic archives in Europe,” said curator Iuliana Grzynska,...