found: Work cat: Tigre studies in the 21st century, 2015:pages 215-216 (Təgre refers to both language & people. Some use Hāsā. Other uses of Təgre: in Amharic, it is speakers of Tigrinya; it is also used for the province of Tigray in Ethiopia.)
found: Enc. Aethiopica, 2007(Təgre ethnology; also, Təgray; in the Sudan: Hāsā; speakers of Təgre in Eritrea, with a minority in the northern Sudan)
found: African ethnonyms, 1996(Tigre (Eritrea, Ethiopia [sic], Sudan))
found: Ethnologue, Oct. 28, 2018(Tigré, a language of Eritrea; also spoken in Sudan; tig; autonym: Tigrayit/Tigraayit)
notfound: Art & Architecture thesaurus online