- ISBN 9780851159256. Oldenbourg, Zoé (2000). M****acre at Montségur: A
History of the
Albigension Crusade.
Phoenix Press. p. 109ff. ISBN 1-84212-428-5. OCLC 47720027....
- 2022. Zoé
Oldenbourg (2000). M****acre at Montségur. A
History of the
Albigension Crusade (1961). Phoenix, 2006. p. 109ff. ISBN 1-84212-428-5. Oldenbourg...