There is his critical biography "Edo no Ranpoigaku Kotohajime - Oranda Tsushi YOSHIO Kozaemon Kogyu" (The Beginning of Dutch Medicine of the Edo period - Dutch translator, YOSHIO Kozaemon Kogyu) (Maruzen Library, 2000) written by Kazuo KATAGIRI.
評伝に片桐一男『江戸の蘭方医学事始　阿蘭陀通詞・吉雄幸左衛門耕牛』（丸善ライブラリー、2000年）。