Since 1930, many authentic Manichaean sources have been found, mainly in Egypt. These have made it possible to study Manichaeism without relying on the interpretations of the [[Early Church Fathers|Church Fathers]]. The results have raised questions among scholars about the supposed radical character of Manichaean dualism<ref>Stroumsa; Drijvers; Tardieu; Koenen</ref>. Some researchers have even ventured to claim that Manichaean texts allow both a dualistic and a monotheistic interpretation<ref>e.g. Bianchi</ref>. As a result of the new evidence , the long-supposed influence of Manichaeism on the Cathars has been increasingly questioned, particularly as regards ''radical'' Catharism, because it was especially this variant of Catharism that was said to teach the same dualism as did the Manichaeans<ref>Söderberg</ref>.
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Since 1930, many authentic Manichaean sources have been found, mainly in Egypt. These have made it possible to study Manichaeism without relying on the interpretations of the [[Early Christianity|Church Fathers]]. The results have raised questions among scholars about the supposed radical character of Manichaean dualism<ref>Stroumsa; Drijvers; Tardieu; Koenen</ref>. Some researchers have even ventured to claim that Manichaean texts allow both a dualistic and a monotheistic interpretation<ref>e.g. Bianchi</ref>. As a result of the new evidence , the long-supposed influence of Manichaeism on the Cathars has been increasingly questioned, particularly as regards ''radical'' Catharism, because it was especially this variant of Catharism that was said to teach the same dualism as did the Manichaeans<ref>Söderberg</ref>.