Chryssides, George D.Unrecognized charisma? A study and comparison of four charismatic leaders: Charles Taze Russell, Joseph Smith, L Ron Hubbard, Swami Prabhupada. Paper presented at the 2001 International Conference The Spiritual Supermarket: Religious Pluralism in the 21st Century, organised by INFORM and CESNUR (London, April 19–22, 2001). Available online
Weber, Maximillan. Theory of Social and Economic Organization. Chapter: "The Nature of Charismatic Authority and its Routinization" translated by A. R. Anderson and Talcott Parsons, 1947. Originally published in 1922 in German under the title Wirtschaft und Gesellschaft chapter III, § 10 (available online)
