Linguistic Geography Research through the reports by the National Language Survey Committee in Meiji period,"The Linguistic Atlas of Japan", and "The Grammar Atlas of Japanese Dialects"

本文通过明治时期国家语言调查委员会的《音韵学研究报告》、《音韵学地图集》、《口语方法研究报告》、《口语方法地图集》、国立日语研究所的《日本语言地图集》和《日本方言语法地图集》对语言学地理学研究进行了考察。本文着重对日本全国方言分布进行历时分析和综合说明。我们通过检索明治时期国家语言调查委员会的资料，指定了在每个县找到明治时期国家语言调查委员会“第二次报告”的可能性。研究结果以书的形式出版，同时，我们还建立了一个网站，向公众开放研究结果。

This paper investigates linguistics geography research through "The Phonology Research Report","The Phonology Atlas","The Colloquial Method Research Report","the Colloquial Method Atlas "by the National Language Survey Committee in Meiji period," The Linguistic Atlas of Japan"(LAJ), and "The Grammar Atlas of Japanese Dialects"(GAJ) by The National Institute for Japanese Language. The paper focuses on diachronic analysis and comprehensive explication of nationwide Japanese dialect distribution. We designated possibility of finding "The Second Report" by the National Language Survey Committee in Meiji period in every prefecture through searching for documents about the Committee. The result of the research was published in book form, and also, we started up the web site to open it of the research to the public.