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Experimentelle Studien auf dem Gebiete der Gedankenübertragung und des sogenannten Hellsehens / von Charles Richet ; autorisierte deutsche Ausgabe von Albert Freiherrn von Schrenck-Notzing. Public Domain Mark. Source: Wellcome Collection.
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This material has been provided by University of Bristol Library. The original may be consulted at University of Bristol Library.