On this page
Sources
Studies
- Markus Sesko, “Kantei 4 – Yamashiro #24: Ryōkai (了戒) School 1”
- Markus Sesko, “Kantei 4 – Yamashiro #20: Rai (来) School 6” (the sons of Kunitoshi)
Official records and museums
- Tokyo National Museum, ColBase: 太刀 銘 了戒 (tachi mei Ryōkai), F-15
- Tokyo National Museum, ColBase: 短刀 銘 了戒 (tantō mei Ryōkai), F-16
- Kyoto National Museum, list of works of 「京のかたな」 (Kyō no katana), 2018
Dictionaries and encyclopaedias
- 来国俊 (Rai Kunitoshi), Kotobank (Heibonsha, with the mention of Ryōkai)
- 来派 (Rai-ha), Japanese Wikipedia
Image credits
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Tantō signed 了戒 (Ryōkai) of the Tokyo National Museum (colbase-tanto-1.jpg)
Tokyo National Museum, via ColBase; free use with acknowledgement of the source.