Laurence W. Marvin is assistant professor of history in the Evans School of Humanities and Social Sciences at Berry College whose primary scholarly focus is the Albigensian Crusade. He is the author of The Occitan War: A Military and Political History of the Albigensian Crusade, 1209-1218 (Cambridge University Press, 2008, ISBN 978-0-521-87240-9).

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