The Form And Function Of Koan Literature A Historical Overview 論文集所収 T. Griffith Foulk ·2000-04-20 ·pp. 15-45 doi:10.1093/oso/9780195117486.003.0002
North Kyushu Creole: a language-contact model for the origins of Japanese 論文集所収 John C. Maher ·1996-09-13 ·『Cambridge University Press eBooks』 pp. 31-45 doi:10.1017/cbo9781139084901.003