Ibid., pp. 158–59; Momen, Introduction to Shii Islam, p. 254; Hamid Algar, ‘The Oppositional Role of the Ulema in Twentieth-Century Iran’, in Nikki R. Keddie, ed., Scholars, Saints and Sufis: Muslim Religious Institutions in the Middle East since 1500 (Berkeley, Los Angeles and London, 1972), p. 248