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/

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

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

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

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

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

The Albigensian Crusade - Book Review
- A review of books on the Albigensian Crusade by Josephy Strayer and Zoe Oldenbourg.
- http://dannyreviews.com/h/Siege_Montsegur.html