was a Japanese linguist. He founded the influential "Yamada grammar" (Also known as "Yamada's grammar", and was the first to use the word "chinjutsu" as a linguistic term.
Yamada Yoshio's grammar was first published in 1912 and underwent several changes and reprints.[1]
Yamada's grammar greatly influenced 20th century scholarship in Japan.[2]
Book: Vovin, Alexander . A Descriptive and Comparative Grammar of Western Old Japanese (2 vols): Revised, Updated and Enlarged Second Edition . 2020-09-25 . BRILL . 978-90-04-42281-0 . en.