Northern Frisian

 [aka Frisian (North), Frisian (Northern), Frisian]

Classification: Indo-European

·

threatened

  • Ethnologue: Languages of the World, 16th Edition (2009) . (2009) · edited by M. Paul Lewis · SIL International http://www.ethnologue.com/

  • Atlas of the World’s Languages in Danger . Christopher Moseley (ed.) (2010) · UNESCO Publishing http://www.unesco.org/culture/en/endangeredlanguages/atlas

  • World Oral Literature Project . http://www.oralliterature.org

  • Europe and North Asia ( pp. 211-282 ) . Tapani Salminen (2007) · In Encyclopedia of the World's Endangered Languages edited by C. Moseley · London & New York: Routledge

  • The World Atlas of Language Structures . (2005) · edited by Bernard Comrie and David Gil and Martin Haspelmath and Matthew S. Dryer · Oxford University Press

  • Endangered Languages Catalogue Project. Compiled by research teams at University of Hawai'i Mānoa and Institute for Language Information and Technology (LINGUIST List) at Eastern Michigan University . (2012) ·

  • Üüs Sölring Liirbok . Wilts, Ommo (1999) · Mattiesen