Sources

Sources

Official database

1. Agency for Cultural Affairs, 国指定文化財等データベース (Kuni shitei bunkazai-tō dētabēsu): the National Treasure of the Seikadō
2. Agency for Cultural Affairs: the Important Cultural Property of the Tokyo National Museum
3. Agency for Cultural Affairs: the Important Cultural Property of the Shijōnawate shrine
4. Agency for Cultural Affairs: the Important Cultural Property of the Himeji shrine
5. Agency for Cultural Affairs: the Important Cultural Property of a collection in Shizuoka
6. Agency for Cultural Affairs: the Important Cultural Property of a collection in Tokyo
7. Agency for Cultural Affairs: the Important Cultural Property of a collection in Osaka
8. 文化遺産オンライン (Bunka Isan Online): the kodachi Konotegashiwa (児手柏)

NBTHK

1. NBTHK, Sword Journal no. 716, September 2016: Kanenaga’s tachi of the Shijōnawate shrine
2. NBTHK, Sword Journal no. 823, August 2025: kantei

Dictionaries and encyclopaedias

1. Kotobank: 包永 (Kanenaga), from the Daijisen, the Nihon kokugo daijiten and the Nihon jinmei daijiten+Plus
2. Kotobank: 大和物 (Yamato-mono), from the Heibonsha encyclopaedia and the Nipponica
3. Japanese Wikipedia: Konotegashiwa (児手柏)
4. English Wikipedia: List of Wazamono

Museums

1. ColBase, Tokyo National Museum: tachi 銘包永 (mei Kanenaga)

Image credits

1. A tachi signed Kanenaga, of the Kamakura period, in a museum display case. (tachi-kanenaga.jpg)

   Author: Kakidai. Licence: CC BY-SA 4.0. Wikimedia Commons.