Norimura supported Emperor Go-Daigo and Ashikaga Takauji in the struggle to overcome the Kamakura shogunate. Akamatsu joined Takauji in capturing Kyoto from imperial forces on 23 Feb. 1336.:40,44 He then became a part of the Ashikaga shogunate. Norimura constructed a fort on a hill which later became the site for Himeji Castle.
- Nussbaum, Louis-Frédéric. (2005). "Akamatsu Norimura," Japan encyclopedia, p. 16.
- Sansom, George (1961). A History of Japan, 1334-1615. Stanford University Press. p. 11,13,15,36. ISBN 0804705259.
- Turp, John. (2007). DK Eyewitness Travel Guide: Japan, p. 206.
- Hall, John Whitney. (1999). The Cambridge History of Japan, pp. 600-603.
- Kraft, Kenneth. (1997). Eloquent Zen: Daitō and Early Japanese Zen,
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