1. Azuma, S. (1985). Ecological biogeography of Japanese monkeys (Macaca fuscata Blyth) in the warm- and cold-temperate forest. In T. Kawamichi (Ed.), Contemporary mammalogy in China and Japan (pp. 1–5). Osaka: Mammalogical Society of Japan.
2. Baxter, M. J., & Fedigan, L. M. (1979). Grooming and consort partner selection in a troop of Japanese monkeys (Macaca fuscata). Archives of Sexual Behavior, 8, 445–458.
3. Chapais, B., Gauthier, C., Prud’homme, J., & Vasey, P. L. (1997). Relatedness threshold for nepotism in Japanese macaques. Animal Behavior, 53, 533–548.
4. Enomoto, T. (1974). The sexual behavior of Japanese monkeys. Journal of Human Evolution, 3, 351–372.
5. Hoelzer, G. A., & Melnick, D. J. (1996). Evolutionary relationships of the macaque. In J. E. Fa & D. G. Lindburg (Eds.), Evolution and ecology of the macaque societies (pp. 3–17). Cambridge: Cambridge University Press.