The Japonic language of Hachijō, which is not particularly closely related to the Okinawan languages and not intelligible to mainland Japanese ( David Iannucci 2019: 101-102 ) is missing from E16/E17/E18/E19/E20/E21/E22/E23/E24 ( Kokuritsu Kokugo Kenkyūjo 1950 ).
| Details | Name | Title | Any field | ca | Year | Pages | Doctype | ca | Provider | da |
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Glottolog
Hachijo at Endangered Languages Project