Paul, Ludwig 1998 Agnes Korn 2016 Agnes Korn 2019
A number of ancient languages of the Middle East and Central Asia are attested, but missing from E16/E17/E18/E19/E20/E21/E22/E23/E24/E25/E26/E27. One is Parthian ( Vera S. Rastorgueva and E. K. Molčanova 1981 , Desmond Durkin-Meisterernst 2014 ).