Alvarado, Carlos S., and Renaud Evrard. “Nineteenth Century Psychical Research in Mainstream Journals: The Revue Philosophique De La France Et De l’Étranger”. Journal of Scientific Exploration 27, no. 4 (February 21, 2014). Accessed April 24, 2024. https://journalofscientificexploration.org/index.php/jse/article/view/560.