Also Known As: 
  
  
  
  
  
  
  
  Dialects & Varieties
  
  
  
  
  
  
      
  
  Bibliography
Bibliography of Vitality: 
   
    
              James Woodward. 2012. "Personal Communication on sign languages." 
      
  
Bibliography of Locations: 
   
    
              2005. "The World Atlas of Language Structures."  edited by Bernard Comrie et al. Oxford University Press.
      
  
Bibliography of Context: 
   
  
  
  
  
  
  
  
  
    
              James Woodward. 2012. "Personal Communication on sign languages."