Proto-Japanese is the reconstructed language stage from which all later varieties of Japanese, including Ryukyuan, descend. It has been studied both as an end i

The Languages of Japan and Korea provides detailed descriptions of the major varieties of languages in the region, both modern and pre-modern, within a common f

The Oxford Guide to the Transeurasian Languages provides a comprehensive account of the Transeurasian languages, and is the first major reference work in the fi

This book describes the Koguryo language, which was once spoken in Manchuria and Korea, including Koguryo and Japanese ethnolinguistic history, Koguryo's geneti

This book describes the Koguryo language, which was once spoken in Manchuria and Korea, including Koguryo and Japanese ethnolinguistic history, Koguryo's geneti