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内藤高治・門奈正解説『大日本武徳会制定剣術形』便利堂、1912年。<a href="https://en.wikipedia.org/wiki/National_Diet_Library" class="extiw" title="en:National Diet Library">National Diet Library</a> Digital Collections: Persistent ID <a rel="nofollow" class="external text" href="http://dl.ndl.go.jp/info:ndljp/pid/860375">860375</a>