Also Known As: 
  
  
  
  
  
  
  
  Frisian (North), Frisian (Northern), Frisian, North Frisian, Nordfriesisch, Friesisch, Frisian, Northern
Dialects & Varieties
  
  
  
  
  
  
      
  
  - Sölreng
 - Helgoland
 - Ferring
 - Wiedingharder
 - Bökingharder
 - Karrharder
 - Nordergoesharder
 - Mittelgoesharder
 - Hallig
 
Bibliography
Bibliography of Vitality: 
   
    
              Salminen, Tapani. 2007. "Europe and North Asia." In Encyclopedia of the World's Endangered Languages,  edited by C. Moseley. 211-282. London & New York: Routledge.
      
  
Bibliography of Locations: 
   
    
              2005. "The World Atlas of Language Structures."  edited by Bernard Comrie et al. Oxford University Press.
      
  
Bibliography of Context: 
   
  
  
  
  
  
  
  
  
    
              Salminen, Tapani. 2007. "Europe and North Asia." In Encyclopedia of the World's Endangered Languages,  edited by C. Moseley. 211-282. London & New York: Routledge.