Nihon gengo chizu
By: Kokuritsu Kokugo Kenkyūjo hen.
Series: Kokuritsu Kokugo Kenkyūjo hōkoku -- 30-pt. 1-6
Publisher: Ōkurashō Insatsukyoku
Published: 1967
Place of publication: Tōkyō
Language: jpn
Subjects: Japanese language -- Dialects -- Maps.; Japan -- Languages -- Maps.
Other titles: Linguistic atlas of Japan.
Notes: Introductory matters also in English, with added t.p. : Linguistic atlas of Japan.

Each v. accompanied by descriptive brochure in pocket.