Tham khảo Huyện_của_Nhật_Bản

  1. Masashi Kinoshita 木下 正史 (2003). Fujiwara-kyō 藤原京 (bằng tiếng Japanese). Chūō Kōronsha. tr. 64.  Bảo trì CS1: Ngôn ngữ không rõ (link) The discovery of thousands of mokkan wooden tablets in a buried moat around the ancient capital of Fujiwara-kyō confirmed the theory that kōri had originally been written with the character 評, and not the character 郡 that appears in the Nihon Shoki.
  2. MIC: Change of the number of municipalities and characteristics of the Great Meiji and Shōwa mergers (tiếng Nhật)
  3. Zenkoku shichōkai ("Japan Association of City Mayors" [special ward mayors are also members, but not part of the name]; title bar contains current/recent number of cities and special wards)