葛飾北斎《西瓜図》部分拡大図。三の丸尚蔵館蔵。
<bdi><a href="https://en.wikipedia.org/wiki/en:Hokusai" class="extiw" title="w:en:Hokusai"><span title="Japanese artist (1760-1849)">Katsushika Hokusai</span></a>
</bdi>
scanned from <a href="//commons.wikimedia.org/wiki/Special:BookSources/462080262X" title="Special:BookSources/462080262X">ISBN 462080262X</a>