RT Article T1 Political Anarchism, Dissent, and Marginal Groups in the Early Ninth Century: The Ṣūfīs of the Muʿtazila Revisited JF The lineaments of Islam SP 61 OP 84 A1 Yücesoy, Hayrettin LA English YR 2012 UL https://ixtheo.de/Record/1752852982 SN 9789004218857