James Clackson 2007: 3-9 Prósper, Blanca María 2021
A number of ancient European and Ancient Near Eastern languages are not listed in E16/E17/E18/E19/E20/E21/E22/E23/E24/E25/E26/E27. One of them is Lusitanian ( Untermann, Jürgen 1997 ).