1. Dream Super-Express
2. Arashiyama, Kōzaburō. 1989. JR higashi nihon no kansei kakumei [JR East’s Sensitivity Revolution]. Tokyo: Daiyamondosha.
3. Asahi Shimbun. 1946a. “Sābisu kokutetsu he [Towards a Service-Oriented JNR].” Asahi Shimbun Newspaper 4 October 1946 Morning edition.
4. Asahi Shimbun. 1946b. “Kokutetsu sābisu tachigie [JNR Service Fizzles Out].” Asahi Shimbun Newspaper 31 October 1946 Morning edition.
5. Asahi Shimbun. 1981. “Zeimusho ga ichiban shinsetsu [Tax Office Rated as Most Kind].” Asahi Shimbun Newspaper 4 May 1981 Morning edition.