found: Swanton Ind. tribes(Clallam (Tlalem) Wash., B.C.)
found: Voegelin lang.:p. 300 (Clallam (Klallam, Noosdalum, Nusdallum, Sklallam) Wash., B.C.)
found: Waldman, C.:p. 224 (Clallam (Sklallam, Tlallam) Wash.)
found: Ethnologue, Dec. 11, 2018(Clallam; a language of United States; ISO 639-3: clm; alternate names: Klallam, Na'klallam, S'klallam; location: Washington: Port Angeles and northeast Olympic Peninsula; classification: Salish, Central Salish)
found: Glottolog, via WWW, Dec. 11, 2018(Language: Clallam. Classification: Central Salish, Salishan; Glottocode: clal1241; ISO 639-3: clm)