Johannes Rahder
Kampi
- 1941 Zahlworter im Japanischen, Koreanischen und Ainu Article inuyekur
- 1956 Etymological vocabulary of Japanese, Korean, and Ainu Grammar / book inuyekur
- 1959 Etymological vocabulary of Chinese, Japanese, Korean and Ainu Grammar / book inuyekur
- 1959 Source material - Etymological vocabulary of Chinese, Japanese, Korean and Ainu Article inuyekur