^ Massacre at Montsegur: A History of the Albigensian Crusade, Zoe Oldenbourg
^ “Caedite eos. Novit enim Dominus qui sunt eis.” Caesarius of Heisterbach, Caesarius Heiserbacencis monachi ordinis Cisterciensis, Dialogus miraculorum, ed. J. Strange, Cologne, 1851, J. M. Heberle, Vol 2 , 296-8. Caesarius (c1180-1250) was a Cistercian Prior.
^ Patrologia Latinae cursus completus, series Latina, 221 vols., ed. J-P Migne (1844-64), Paris, Vol. 216:col 139
This article incorporates text from the Encyclopædia Britannica Eleventh Edition, a publication now in the public domain.
The Yellow Cross: The Story of the Last Cathars, 1290-1329 (Penguin Books) by Rene J.A. Weis
Heresies of the High Middle Ages, Walter Wakefield and Austin P. Evans. Columbia University Press (October 15, 1991) Original source documents in translation.
"Albigenses" by N.A. Weber. The Catholic Encyclopedia, 1907.
"Cathari" by N.A. Weber. The Catholic Encyclopedia, 1908.
Histories of the Cathars: Montaillou: The Promised Land of Error, Emmanuel Le Roy Ladurie, trans. Barbara Bray, Vintage Books, 1979
Montsegur and the Mystery of the Cathars, Jean Markale, ISBN 0-89281-090-4, Inner Traditions,
http://www.innertraditions.com/titles/momyca.html
The Cathars, Malcolm Lambert, ISBN 0-631-14343-2, Blackwell, 1998
The Treasure of Montsegur: A Novel of the Cathars, Sophy Burnham, ISBN 0-06-000079-1, Harper, 2002
All Things Are Lights, Robert Shea, ISBN 0-345-32903-1, Ballantine, 1986
The Perfect Heresy, Stephen Shea, ISBN 1-86197-350-0, Profile Books 2000
Heresy and the Inquisition II Persecution of Heretics by Dr M D Magee, 12 December 2002.
The Cathars of the Langudoc James McDonald, 2005.
Hilaire Belloc, The Great Heresies, chapter 5: The Albigensian Attack
lastours The four cathar castles above Lastours.
Foucault's Pendulum, Umberto Eco, ISBN 0-345-36875-4, Ballantine, 1988
The Inquisition Record of Jacques Fournier Bishop of Pamiers 1318-1325 (English translation by Nancy P. Stork)
The Cathars: The Most Successful Heresy of the Middle Ages, Sean Martin, Pocket Essentials 2005
The Corruption of Angels: The Great Inquisition of 1245-1246 Mark Gregory Pegg (Princeton University Press, 2001) ISBN 0-691-12371-3. A new and refreshing take on Catharism in Languedoc -- argues against any kind of doctrinal unity of mid-13th-century Cathars.
Jean Duvernoy's transcriptions of inquisitorial manuscripts, many hitherto unpublished [2]
Power and Purity: Cathar Heresy in Medieval Italy Carol Lansing (Oxford University Press, 1998). Cathars outside of Languedoc
Tuez-les tous Dieu reconnaîtra les siens. Le massacre de Bé ziers et la croisade des Albigeois vus par Césaire de Heisterbach Jacques Berlioz (Loubatières, 1994). An up-to-date discussion of the infamous, but legendary, statement "Kill them all, God will know his own."
In France, an ordeal by fire and a monster weapon called 'Bad Neighbor' , Smithsonian Magazine, pp. 40-51, May 1991, by David Roberts. [Cathars & Catholic Conflict]
Flicker, Theodore Roszak, Fictional conspiracy thriller revolving around the Cathars
David George's recently published "The Crusade of Innocents" (amazon.com ISBN 1-4196-4634-6) has as its plot the encounter between a Cathar girl and the leader of the concurrent Chlldren's Crusade Stephen of Cloyes.
CATHARS - Memories of an initiate, by the philosopher Yves Maris, AdA inc, 2006.
Le porteur de lumière - The black secrets of the Vatican, by Gerard Bavoux, Pygmalion, 1996.