Fresh investigations into heresy after 1300, demonstrating its continuing importance and influence.

The Heresy of the Free Spirit in the Later Middle Ages has been widely recognized as the standard work on the subject in any language. Robert E. Lerner examines this fourteenth-century European heresy as it appeared in its own age. He concludes that the Free-Spirit movement was not a tightly organized sect of anarchistic deviants, but rather a spectrum of belief that emphasized voluntary poverty and quietist mysticism.

More than seventy documents, ranging in date from the early eleventh century to the early fourteenth century and representing both orthodox and heretical viewpoints are included.

Some of the most portentous events in medieval history—the Cathar crusade, the persecution and mass burnings of heretics, the papal inquisition—fall between 1000 and 1250, when the Catholic Church confronted the threat of heresy with force. Moore’s narrative focuses on the motives and anxieties of elites who waged war on heresy for political gain.

Heresy was the most feared crime in the medieval moral universe. By examining the drafting, publicizing, and implementing of new laws against heresy in the 14th and 15th centuries, this text presents a general study of inquisition in medieval England.

In The Great Heresies, Hilaire Belloc takes the reader on a fast and furious tour of European history seen through the lens of its chief religious conflicts - Arianism, 'Mohammedanism' (Islam), Albigensianism, the Reformation, and what he terms 'The Modern Phase.'