Dictionar Roman-Japonez by Radu N. Flondor, Kenzo Nezu, Fukashi Hayashi, Kiyomatsu AoyamaRobert Hans van GulikMN 4:1 (1941) p. 318 → jstor.org/stable/2382541ShareEzo Kirishitan-shi (Geschichte des Christentums in Ezo) by Gerhard HuberDictionnaire Japonais-Français by Gustave Cesselin