"Bushido: The Soul of Japan" written by Nitobe Inazō, translated by Sakurai Ōson.
<bdi><a href="https://en.wikipedia.org/wiki/en:Nitobe_Inaz%C5%8D" class="extiw" title="w:en:Nitobe Inazō"><span title="Japanese educator, agricultural economist and diplomat">Nitobe Inazō</span></a>
</bdi>
<a rel="nofollow" class="external free" href="https://books.google.co.jp/books?id=of_LWIB9gXMC&amp;newbks">https://books.google.co.jp/books?id=of_LWIB9gXMC&amp;newbks</a>