1. OI Oda , Ito . ( 1908–2000 ), consultant of the Chitose dialect of Ainu (fieldnotes)
2. T1 Tamura , Suzuko . 1984 . Ainugo onseishiryō 1 [ Ainu Audio Materials 1 ]. Tokyo : Waseda daigaku gogaku kyōiku kenkyūjo .
3. T2 Tamura , Suzuko . 1985 . Ainugo onseishiryō 2 [ Ainu Audio Materials 2 ]. Tokyo : Waseda daigaku gogaku kyōiku kenkyūjo .