1. Aoki, Michiko Y. (1974) Ancient Myths and Early History of Japan: A Cultural Foundation, New York: Exposition Press.
2. - (1991) 'Empress Jingū', In Chieko Irie Mulhern (ed.) Heroic with Grace: Legendary Women of Japan, New York: ME. Sharpe.
3. Barnes, Gina L. (1988) Protohistoric Yamato: Archaeology of the First Japanese State, Ann Arbor, MI: University of Michigan Press.
4. Egami Namio (1967) Kiba minzoku kokka (A horse riders' nation), Tokyo: Chuo koronsha.
5. - (1998) Sacred Texts and Buried Treasures: Issues in the Historical Archaeology of Ancient Japan, Honolulu: University of Hawai'i Press.