Black (2007 p.c.) says that the following three names may refer to the same dialect: Guandhar or Kwandhar G29 (the name used by the Kurtjar G33), Gug-Nar G49 (the name used by speakers of languages such as Koko-Bera Y85) and Kuuk-Nhang (G50), which is the name used by the speakers of this dialect.
Breen (2006 p.c.), on the other hand, suspects that these are names of closely related dialects. Previously conflated under G29, each is now treated distinctly in AUSTLANG. However, given the varying uses of these names, documentation for G29 and G49 may also be relevant.
Mitchell River NQ (Sommer_B05)
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Speaker numbers were measured differently across the censuses and various other sources listed in AUSTLANG. You are encouraged to refer to the sources.
Speaker numbers for ‘NILS 2004’ and ‘2005 estimate’ come from 'Table F.3: Numbers of speakers of Australian Indigenous languages (various surveys)' in 'Appendix F NILS endangerment and absolute number results' in McConvell, Marmion and McNicol 2005, pages 198-230 (PDF, 2.5MB).