Kobo Daishi and Koyasan and the Shingon Buddhism http://www.koyasan.or.jp/english/shingonshu/kobodaishi/index.html
The story of Kobo Daishi and his importance to Japan: http://www.nihonsun.com/2009/06/09/kobo-daishi/
The story of Kobo Daishi and his importance to Japan: http://www.nihonsun.com/2009/06/09/kobo-daishi/