Spis se v podstatě zabývá dualistickou heretikou středověku a vychází ze základních medievalních doktrín. Věnuje pozornost paulikiánskému hnutí,

The Cathars are one of the most famous heretical movements of the late twelfth and early thirteenth centuries. They infiltrated the highest ranks of society and

More than seventy documents, ranging in date from the early eleventh century to the early fourteenth century and representing both orthodox and heretical viewpo

Christian dualism originated in the reign of Constans II (641-68). It was a popular religion, which shared with orthodoxy an acceptance of scriptual authority a