Bibliography and credits

Sources

The sources consulted on 4 October 2026 and the credits for all the images. The document of Hitachiōmiya city hall is cited by name, without a link. Dealers were used to check data, but they are neither cited nor linked; their photos carry the generic credit.

On this page
  1. Sources

Sources

Studies

  1. Toryu-Mon, “Mito Tōkō”
  2. Japanese Sword Index: the list of shintō swordsmiths by Tomita Kiyama (1933), translated by Jinsoo Kim

Administration

  1. Hitachiōmiya city hall: document on Yokoyama Sukemitsu and the swords of Mito

Dictionaries and encyclopaedias

  1. 渋沢平九郎 (Shibusawa Heikurō), Japanese Wikipedia
  2. 常磐共有墓地 (Tokiwa kyōyū bochi), Japanese Wikipedia

Image credits

  1. Katana by Katsumura Norikatsu, with the inscription on the scabbard (katana-1857.jpg)

    Photo: dealer in Japan.

  2. The point of the katana (katana-1857-punta.jpg)

    Photo: dealer in Japan.

  3. The tang of the katana (katana-1857-nakago.jpg)

    Photo: dealer in Japan.