The measure of multitude : population in medieval thought

by Biller, Peter.
Published: Oxford : Oxford University Press, 2000.

Heresy and inquisition in France, 1200-1300

Published: Manchester : Manchester University Press, 2016.

Heresy and literacy, 1000-1530

Published: Cambridge : Cambridge University Press, 1994

Texts and the repression of Medieval heresy

Published: Woodbridge : York Medieval Press, 2003.

The medieval church : universities, heresy, and the religious life : essays in honour of Gordon Leff

Published: Woodbridge : Boydell Press for the Ecclesiastical History Society, 1999.