539
50. Cited in O'Shea, op. cit, p. 87.
540
51. Oldenbourg, op. cit, p. 119.
541
52. Cited in Burl, op. cit, p. 4
542
1. Arthur Guirdham, The Great Heresy: the History and Beliefs of the Cathars, C. W. Daniel Company Ltd, Saffron Walden, 1993, p. 71.
543
2. Malcolm Barber, The Cathars: Dualist Heretics in Languedoc in the High Middle Ages, Longman, London, 2000, p. 3; Zoe Oldenbourg, Massacre at Montsegur, Weidenfeld and Nicolson, London, 1997, pp. 128–129.
