- Eiichi Shibusawa | Part 1: Expositions Held in and before 1900 | Expositions, where the modern technology of the times was exhibited
〔国立国会図書館 - 2011年3月28日〕
http://www.ndl.go.jp/exposition/e/s1/1867-1.html
Expositions, where the modern technology of the times was exhibited.
http://www.ndl.go.jp/exposition/e/index.html