<i>A Color Notation</i>
<bdi><a href="https://en.wikipedia.org/wiki/en:Albert_Henry_Munsell" class="extiw" title="w:en:Albert Henry Munsell"><span title="American artist (1858-1918)">Albert Henry Munsell</span></a>
</bdi>
<a rel="nofollow" class="external free" href="https://archive.org/details/colornotation00muns">https://archive.org/details/colornotation00muns</a>