Hochstetler, J. Lee and Durieux, J. A. and Durieux-Boon, E. I. K. 2004 , Jeffrey Heath and Kirill Prokhorov 2010 Steven Moran and Jelena Prokić 2013
On grounds of mutual unintelligibility, Tirange Dogon merits a separate entry
from other Dogon languages ( Bertho, J. 1953 , Heath, Jeffrey 2014 ),
and is this missing from E16.