Heavenly Warriors: The Evolution of Japan’s Military, 500–1300 by William Wayne FarrisKarl F. FridayMN 48:2 (1993) pp. 261–64 → jstor.org/stable/2385531ShareThe Geography of Power in Medieval Japan by Thomas KeirsteadAbove the Clouds: Status Culture of the Modern Japanese Nobility by Takie Sugiyama Lebra