Copyright Law of Japan essence by <a href="https://en.wikipedia.org/wiki/Mizuno_Rentar%C5%8D" class="extiw" title="en:Mizuno Rentarō">Mizuno Rentarō</a>.
<a href="https://ja.wikipedia.org/wiki/%E6%B0%B4%E9%87%8E%E9%8C%AC%E5%A4%AA%E9%83%8E" class="extiw" title="ja:水野錬太郎">水野錬太郎</a>
<a rel="nofollow" class="external text" href="http://dl.ndl.go.jp/info:ndljp/pid/796622">国立国会図書館</a>