Itoh, Makiko (August 26, 2010). "Satoshi Kon's last words". Makiko Itoh: Not a Nameless Cat. Retrieved November 11, 2010. As far as I know there's no translation of the whole document into English out there, so here it is.
midnighteye.com
Mes, Tom (February 11, 2002). "INTERVIEW Satoshi Kon". Midnight Eye. Retrieved August 26, 2010.
Oshii, Mamoru; Kon, Satoshi (December 4, 2014). セラフィム 2億6661万3336の翼 [Seraphim: 266,613,336 Wings] (in Japanese). Tokyo: Tokuma Shoten. pp. 6, 231. ISBN978-4-19-950220-0. Archived from the original on March 7, 2014. Retrieved February 14, 2014.
Oshii, Mamoru; Kon, Satoshi (December 4, 2014). セラフィム 2億6661万3336の翼 [Seraphim: 266,613,336 Wings] (in Japanese). Tokyo: Tokuma Shoten. pp. 6, 231. ISBN978-4-19-950220-0. Archived from the original on March 7, 2014. Retrieved February 14, 2014.