History of the heretics and those who fought against them in the Middle Ages. Papers from the 35th conference on the Reformation and religious movements in Italy held in Torre Pellice, September 4-6, 1995
M. Fratini, History of the heretics and those who fought against them in the Middle Ages. Papers from the 35th conference on the Reformation and religious movements in Italy held in Torre Pellice, September 4-6, 1995, QUAD MEDIEV, (46), 1998, pp. 287-292