Title: Nihon no mō hitotsu no senjūmin no kiki gengo : Ogasawara shotō ni okeru Ōbeikei tōmin no shōmetsu no kiki ni hinshita Nihongo /
Authors: Long, Daniel, 1963-; Endangered Languages of the Pacific Rim (Project)
Publisher: Ōsaka Gakuin Daigaku Jōhō Gakubu Monbu Kagakushō Kagaku Kenkyūhi Hojokin "Tokutei Ryōiki Kenkyū (A) 'Kan Taiheiyō no "shōmetsu ni hinshita gengo" ni kansuru kinkyū chōsa kenkyū'",
Year: 2003
Subjects: Language obsolescence Japan Bonin Islands.; Japanese language Dialects Japan Bonin Islands.; Endangered languages.