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        Open Access
    
                
        
        
            
            
                
            
            
            
            
            
            
        
    
    
    Review Article: Could There Be a Human Sign Language?
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        Bernard Th. Tervoort
        
 
                            Published/Copyright:
                            
                                August 22, 2025
                            
                        
                    
                
            
  Published Online: 2025-08-22
 
 
  Published in Print: 1973-03-01
 
© 2025 by Walter de Gruyter Berlin/Boston