Bibliography and credits

Sources

The sources consulted on 4 October 2026, by type, and the credit for each image.

On this page
  1. Sources

Sources

NBTHK

  1. NBTHK, Sword Journal no. 792 (January 2023), English translation: the Kokin Denju no Tachi
  2. NBTHK, Sword Journal no. 817 (February 2025), English translation: 定秀 (Sadahide, Jōshū)
  3. NBTHK, Sword Journal no. 714 (July 2016), English translation: kantei of Kyūshū
  4. NBTHK, Sword Journal no. 770 (March 2021), English translation: Nobukuni

Official records and museums

  1. Agency for Cultural Affairs, Bunka Isan Online: the Kokin Denju no Tachi
  2. Bunka Isan Online: tachi of the Tokyo National Museum (1950)
  3. Bunka Isan Online: tachi of the Tokyo National Museum (1975)
  4. Bunka Isan Online: tachi 銘行平作 (mei Yukihira saku), of the City of Nagoya
  5. Bunka Isan Online: tachi with a mounting of autumn grasses, of the Sano Museum
  6. ColBase: tachi F-19974 of the Tokyo National Museum
  7. ColBase: tachi F-20016 of the Tokyo National Museum
  8. ColBase: tachi F-210 of the Tokyo National Museum

Encyclopaedias

  1. Japanese Wikipedia: 古今伝授の太刀 (Kokin Denju no Tachi)
  2. Japanese Wikipedia: 地蔵行平 (Jizō Yukihira)

Scholars

  1. Markus Sesko, “Kantei 1 – Sugata 5”
  2. Markus Sesko, “Kantei 3 – Hamon & Bōshi 1-2”

Image credits

  1. The Kokin Denju no Tachi in a 1952 catalogue photo. (commons-kokin-denju-1952.jpg)

    Cultural Properties Association (文化財協会, Bunkazai Kyōkai), 1952, public domain, via Wikimedia Commons. Public domain.

  2. The same tachi: the tang and the engraving at the base of the blade. (tnm-F19974-nakago-horimono.jpg)

    Tokyo National Museum (東京国立博物館, Tōkyō Kokuritsu Hakubutsukan), via ColBase. Free use crediting ColBase.

  3. The same tachi: the point, with its small kissaki. (tnm-F19974-kissaki.jpg)

    Tokyo National Museum (東京国立博物館, Tōkyō Kokuritsu Hakubutsukan), via ColBase. Free use crediting ColBase.

  4. The same tachi: the small kissaki and the bōshi. (tnm-F20016-kissaki.jpg)

    Tokyo National Museum (東京国立博物館, Tōkyō Kokuritsu Hakubutsukan), via ColBase. Free use crediting ColBase.

  5. The same tachi: the unshortened tang, with three holes and the signature. (tnm-F20016-nakago.jpg)

    Tokyo National Museum (東京国立博物館, Tōkyō Kokuritsu Hakubutsukan), via ColBase. Free use crediting ColBase.

  6. Tachi 銘豊後国行平作 (mei Bungo Koku Yukihira saku), whole. (tnm-F19974-completo.jpg)

    Tokyo National Museum (東京国立博物館, Tōkyō Kokuritsu Hakubutsukan), via ColBase. Free use crediting ColBase.

  7. Tachi 銘豊後国行平 (mei Bungo Koku Yukihira), whole. (tnm-F20016-completo.jpg)

    Tokyo National Museum (東京国立博物館, Tōkyō Kokuritsu Hakubutsukan), via ColBase. Free use crediting ColBase.

  8. The same tachi, from the other face. (tnm-F20016-ura.jpg)

    Tokyo National Museum (東京国立博物館, Tōkyō Kokuritsu Hakubutsukan), via ColBase. Free use crediting ColBase.