Taniguchi, Sumio [谷口澄夫] (1970), 岡山県の歴史title=Okayama ken no rekishi (in Japanese), Kodama, Kōta [児玉幸多] (supervising editor), Yamakawa Shuppansha, p. 64; 1984 edition: Appendix, p.46. (in Japanese)
Koeido Co., Ltd. "和菓子 廣榮堂本店:廣榮堂のきびだんご150年のあゆみ" [Wagashi Kōeidō Honten: 150 year foot-track of the Kōeidō kibi dango] (in Japanese). Retrieved 15 May 2014.
Koeido Co., Ltd [廣榮堂本店]. "Enkaku (history)" 沿革 (in Japanese). Retrieved 15 May 2014.
ndl.go.jp
dl.ndl.go.jp
The specified year shifts slightly according to source. Shida (Shida (1941), p. 312) states that according to information given him by Kōeidō, the confection was created around 1853 (Kaei 6) and dubbed "Kibi dango" around 1855 (Ansei 2). Shida, Gishū [志田義秀] (1941), "Momotarō Gairon [下篇 2 桃太郞槪論]", Nihon no densetsu to dōwa 日本の伝説と童話, Daitō Shuppansha, pp. 303–315
Takeda, Asajirō [武田淺次郎] (1895), Sanyō meisho ki 山陽名所記, Okayama, pp. 1–5, 45{{citation}}: CS1 maint: location missing publisher (link)
The 2nd man in the group was Shigaraki Sōsuke (信楽宗介), a resident of Takasagochō and also a myōdai merchant of Shigaraki ware,[13] who also sold moxa of Mount Ibuki from the same Ōmi Province.[9][14] The 3rd man in the party was a resident of Kamiyachō, the kyōka poet Sasano Ippō (笹野一方) whose art name was Higenaga or "longbeard"[9][14]