Mathieu Beaudouin 2023: 87-107
A number of ancient Sino-Tibetan languages of various levels of attestation and deciperment are missing from E16/E17/E18/E19/E20/E21/E22/E23/E24/E25/E26/E27. One is the very poorly understood Tangut ( Guillaume Jacques 2014 , Sofronov, Mikhail Viktorovich 1968 ).
Glottolog
[txg] at ISO 639-3
[txg] at OLAC
[txg] at IMTVault
Tangut at Grambank
Wikipedia
Wikidata