Bibliography and credits

Sources

The sources consulted on 4 October 2026. An old biography by a dealer, the listings of two dealers and the description of a video served to check facts, but they are neither cited nor linked; what only they say is marked as attribution.

On this page
  1. Sources

Sources

Encyclopaedias

  1. Gassan Sadakatsu, German Wikipedia
  2. 月山 (Gassan), 刀工 (tōkō), Japanese Wikipedia
  3. 高橋貞次 (Takahashi Sadatsugu), Japanese Wikipedia
  4. 元帥杖 (gensuijō), Japanese Wikipedia
  5. 月山貞一 (Gassan Sadakazu), Kotobank (Nihon Jinmei Daijiten Plus)

References

  1. Markus Sesko, biography of his son, Gassan Sadakazu II (2013)

Consulted, without a link

  1. Text of the treasure exhibition of the Kitano Tenmangū shrine on the 1927 tachi, quoted in the description of a video of the exhibition
  2. Ogawa Morihiro, Japanese Master Swordsmiths: The Gassan Tradition (Museum of Fine Arts, Boston, 1989), not consulted
  3. Slough, An Oshigata Book of Modern Japanese Swordsmiths 1868–1945, not consulted

Image credits

  1. Tachi of 1940, the year 2600 of the imperial era (tachi-1940.jpg)

    Photo: dealer outside Japan.