Kantei

Bibliography

Sources

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

On this page
  1. Sources

Sources

Official records: Bunka Isan Online

  1. Tachi signed “Tsunetsugu” at the Tsuchiura city museum (record 209409)
  2. Tachi signed “Tsunetsugu” from Bitchū, Kyūshū National Museum (record 593283)
  3. Tachi by Sahyōe-no-jō Tsunetsugu, of 1330 (record 455999)

Encyclopaedias and studies

  1. Japanese Wikipedia: 数珠丸 (Juzumaru)
  2. Japanese Wikipedia: 古備前派 (Ko-Bizen-ha), the Ko-Bizen school
  3. English Wikipedia: Tenka-Goken
  4. Japanese Sword Index: Bizen

Image credits

  1. The tachi signed 恒次 (Tsunetsugu) of the Kamakura period at the Tsuchiura City Museum, Important Cultural Property since 1950; its record does not say which school it belongs to. (tachi-tsuchiura.jpg)

    Tsuchiura City Museum and Agency for Cultural Affairs, via Bunka Isan Online. © Agency for Cultural Affairs.