David A. Peterson 2017 David Mortensen and Jennifer Keogh 2011
Sorbung (also known as Southern Tangkhul), a Tibeto-Burman language organizable as part of the Old Kuki group, is missing from E16/E17/E18/E19/E20/E21/E22/E23/E24/E25/E26/E27 ( Brown, Nathan 1837 , David Mortensen and Jennifer Keogh 2011 ).
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