[1]Diarkibkan 2018-04-17 di Wayback MachineAllan Kardec, The Spirits' Book, Containing the Principles of Spiritist Doctrine... according to the Teachings of Spirits of High Degree, Transmitted through Various Mediums, Collected and Set in Order by Allan Kardec, translated by Anna Blackwell, São Paulo, Brasil, Federação Espírita Brasileira, 1996, ISBN85-7328-022-0, p. 33.
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[1]Diarkibkan 2018-04-17 di Wayback MachineAllan Kardec, The Spirits' Book, Containing the Principles of Spiritist Doctrine... according to the Teachings of Spirits of High Degree, Transmitted through Various Mediums, Collected and Set in Order by Allan Kardec, translated by Anna Blackwell, São Paulo, Brasil, Federação Espírita Brasileira, 1996, ISBN85-7328-022-0, p. 33.
wikipedia.org
en.wikipedia.org
Times, New York (29 November 1897). "THREE FORMS OF THOUGHT; M.M. Mangassarian Addresses the Society for Ethical Culture at Carnegie Music Hall". The New York Times: 200. Cite journal requires |journal= (bantuan)
