<li>Illustration XVIII (<a idref="sect286">Section 286</a>)</li>
<li>Illustration XIX (<a idref="sect324">Section 324</a>)</li>
<li>Illustration XX (<a idref="sect350">Section 350</a>)</li>
<li>Illustration XVIII (<a idref="sect286">Section 286</a>)</li>
<li>Illustration XIX (<a idref="sect324">Section 324</a>)</li>
<li>Illustration XX (<a idref="sect350">Section 350</a>)</li>