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         |  | This is a file from the  Wikimedia Commons. The description on its  description page there is shown below. | 
        
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         | Description | Group photo in front of Clark University Sigmund Freud, Stanley Hall, C.G.Jung; Back row: Abraham A. Brill, Ernest Jones, Sandor Ferenczi. Photo taken for Clark University in  Worcester, Massachusetts publication. | 
        
         | Source | 
            Sigmund Freud museum | 
        
         | Date | September 1909 | 
        
         | Author | Unknown | 
        
         | Permission | 
           
            |  | This media file is in the  public domain in the  United States. This applies to U.S. works where the copyright has expired, often because its first publication occured prior to January 1, 1923. |  |  
            |  | This image might not be in the public domain outside of the United States (this especially applies in Canada, China (not Macao or Taiwan), Germany or Switzerland). The creator and year of publication are essential information and must be provided. See  Wikipedia:Public domain and  Wikipedia:Copyrights for more details. |  | 
       
       
       
      File links
      
       
The following pages on the English Wikipedia link to this file (pages on other projects are not listed):
      
       - Carl Jung
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         Sándor Ferenczi
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         Ernest Jones
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         Vitalism
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         Psychology of religion
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         User:Dematt/History of Vitalism