found: Watuseke, F.S. Sketsa tatabahasa Tondano, 1985(Summary in English: Tondano language, spoken in Sulawesi, Indonesia)
found: Ethnologue:p. 535 (Tondano (Tondanou, Tolou, Tolour) Northeastern Sulawesi; Austronesian, Malayo-Polynesian, Minahasa-Sangihe)
found: Voegelin lang.:p. 102, under Northern Celebes (with Minhasa = Ton; (Tondano = Tolou, Tolour))
found: Current trends ling.:v. 8, p. 1252, under Austronesian langauges (Tondano, (Tolou, Tolour))
found: Watuseke, F.S. En tinatēran e lelilaʼan (kamus) Walanda-Toudano, 1985(M. Rony consulted, 5/29/91; speakers of Tondana use this form of spelling, i.e. (Toudano))
