Bibliography and credits

Sources

The sources consulted on 4 October 2026, grouped by type, and the credits for every image. Only the sources that do not sell swords are linked; the others served to check facts, but they are neither cited nor linked.

On this page
  1. Sources

Sources

Encyclopaedias

  1. 刀剣の業物一覧 (tōken no wazamono ichiran), Japanese Wikipedia
  2. 鳥取東照宮 (Tottori Tōshōgū), Japanese Wikipedia

Researchers

  1. Japanese Sword Index, “Hizen-tō”
  2. Japanese Sword Index, “Shinto Swordsmith Ranking” (Tomita Kiyama’s ranking)
  3. Markus Sesko, table of contents of “Shintō Zen”
  4. Markus Sesko, table of contents of another of his books on swords

Official databases and museums

  1. ColBase: 刀 肥前住播磨守藤原忠国 (katana, Hizen jū Harima no Kami Fujiwara Tadakuni), Tokyo National Museum (F-337)

NBTHK

  1. NBTHK, catalogue of the 2017 新作名刀展 (Shinsaku Meitōten)

Consulted, without a link

  1. Nagoya City Museum: record of the wakizashi 播磨大掾藤原忠国 (Harima Daijō Fujiwara Tadakuni)
  2. Sanada Museum (Nagano), on ADEAC: record of the spear 肥前住播磨大掾藤原忠國 (Hizen jū Harima Daijō Fujiwara Tadakuni)
  3. 芳賀矢一 (Haga Yaichi), 日本人名辞典 (Nihon jinmei jiten), entries for the first and the third 忠国 (Tadakuni), on Japan Search

Image credits

  1. The wakizashi of the Nagoya City Museum (wakizashi-nagoya.jpg)

    Nagoya City Museum, CC BY-NC-ND.