The Cathars: The Most Successful Heresy of the Middle Ages

The Darkening Age

Catherine Nixey

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The Knights Templar: The Hidden History of the Knights Templar: The Church’s Oldest Conspiracy (History of the Knights and the Crusades Book 1)

Conrad Bauer

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The Gnostic Gospels (Modern Library 100 Best Nonfiction Books)

Elaine Pagels

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