Jikishinkage-ryū masters of the modern era
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Below is an article collating available information I have found from Jikishinkage-ryū, Kendō, and Kyudō histories of the twentieth century centered around the practice and teaching of four masters of Kashima-shinden Jikishinkage-ryū Odani-ha — Sakakibara Kenkichi, Yamada Jirokichi, Kawashima Takashi, and Ōnishi Hidetaka:
The article contains links to different Japanese language websites and sources; it is my effort to provide information in a single place for ease of reference and make some observations along the way.