The Ancient South Arabian language Qatabanian is missing from E16/E17/E18/E19/E20/E21/E22/E23/E24/E25/E26/E27
( Peter Stein 2011 , Stephen D. Ricks 1988 ).
Defining Ḥimyaritic: The linguistic landscape of southwest Arabia in the early Islamic period according to the testimony of the 9th century scholar al-Hamdani