The Cathars - Book Review
A review of Malcolm Lambert's academic survey of Catharism.
http://dannyreviews.com/h/Cathars.html

The Legend of the Cathars
Information and pictures relating to the history of the Cathars. Can also order "Reflections on Secret Gnostic Traditions."
http://gnosistraditions.faithweb.com/mont.html

Pocket Essentials Guide to The Cathars
Information about the book by Sean Martin.
http://www.pocketessentials.com/history/1904048331cathars/

Voltaire on the Wars against the Cathars of the Languedoc
An annotated version of Voltaire's work in French with an English translation and notes in English. Essai sur les mœurs et l'esprit des nations, (1756), ch LXII, "De la Croisade Contre les Languedociens"
http://www.languedoc-france.info/articles/t_voltairecathars.htm

Hilaire Belloc on the Albigensian Heresy
Anotated text of "The Albigensian Attack", Chapter Five of Hilaire Belloc's The Great Heresies.
http://www.languedoc-france.info/131201_belloc.htm

Books on Cathars and the Cathar Wars
Reviews of Books on the Cathars and Cathar Wars in the Languedoc, ranging from popular introductary texs to academic reference works.
http://www.renneslechateaubooks.info/languedoccathar/