''Mutsuwaki'' 陸奥話記 chronicles the Former Nine Years War<ref>Capital and Countryside in Japan, 300-1180. Joan R. Piggott (trans.), Page 409</ref> | ''Mutsuwaki'' 陸奥話記 chronicles the Former Nine Years War<ref>Capital and Countryside in Japan, 300-1180. Joan R. Piggott (trans.), Page 409</ref> |