Yug
[aka Yugh, Southern Ket, Sym Ket]Classification: Yeniseian
·critically endangered
Classification: Yeniseian
·critically endangered
Ethnologue: Languages of the World, 16th Edition (2009) . (2009) · edited by M. Paul Lewis · SIL International http://www.ethnologue.com/
World Oral Literature Project . http://www.oralliterature.org
Red Book on Endangered Languages: Northeast Asia . Juha Janhunen; Tapani Salminen (2000) · http://www.helsinki.fi/~tasalmin/nasia_report.html
South Asia and the Middle East ( pp. 289-348 ch. 4 ) . George Van Driem (2007) · In Encyclopedia of the World's Endangered Languages edited by Christopher Mosely · London and NewYork: 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
Das Jugische (Sym-Ketische) . Heinrich Werner (1997) · Veröffentlichungen der Societas Uralo-Altaica · Vol. 50 · Wiesbaden: Otto Harrassowitz
Jugskij jazyk ( pp. 187-195 ) . Verner, G. K. (1997) · In Jazyki mira: paleoaziatskie jazyki edited by Volodin, A. P. et al. · Indrik