found: Work cat.: 98-140776: Tosco, Mauro. Af Tunni : Grammar, texts, and glossary of a Southern Somali dialect, 1997:p. 1 (The Tunni are one of the major groups of the interriverine area of Southern Somalia ... subsumed under the Digil clan-family ...; Af Tunni, according to Lamberti, grouped within the Digil dialects, alongside Jiiddu, Dabarre and Karre. Lamberti himself admits the dubious status of this group ... [lengthy discussion of difficulties of classification and lack of documentation of these languages.])
found: Ethnologue, 13th ed., 1996:p. 383 (Tunn, var. Af-Tunni. Afro-Asiatic, Cushitic, East, Somali. A distinct language from Somali or Jiddu, usually grouped under the Digil dialects or languages. Different sentence structure and phonology from Somali.)
found: Biebuyck, D. African ethnonyms, 1996:p. 263 (Tunni (Somalia) note Cushitic language; one of the groups included in the collective term Sab) p. 232, under Sab (a collective term among the Somali which includes the Bimal, Digil, Rahanwiin and Tunni)
notfound: Fivaz, D. and P.E. Scott. Afr. langs., 1977;Mann, M. and D. Dalby. Thesaurus Afr. langs., 1987