al. (2003). ‘’Nihonshi Shoka Keizu Jimmei Jiten’’. Kōdansya. (Japanese) Kasai, M. (1991). ‘’Kugyō Bunin Nenpyō’’. Yamakawa Shuppan-sha. (Japanese) Hioki, S. (1990). ‘’Nihon Keifu Sōran’’. Kōdansya. (Japanese) 953 births 995 deaths Fujiwara clan Regents of Japan