Hamilton B. The Albigensian Crusade. P. 4.
Wakefield E. Heresies of the Middle Ages. P. 122–124.
Christie‑Murray D. The History of Heresy. P. 105.
Стоянов Ю. Тайные традиции в Европе. Р. 156.
Wakefield Ev. Heresies of the Middle Ages. P. 140–141.
Guirdham A. The Great Heresy. P. 54.
The Land of the Cathars. P. 15.
G.K. The Institution of a Persecuting Society. P. 26.
Aue M. Cathar Country. P. 15.
Christie‑Murray D. The History of Heresy. P. 108.
Guirdham A. The Great Heresy. P. 56–57.
Aue M. Cathar Country. P. 20.
GuircLhamA. The Great Heresy. P. 63.
Aue M. Cathar Country. P. 22.
Guirdham A. The Great Heresy. P. 64.
Aue M. Cathar Country. P. 26.