    <li><a href="#tocs">Tables of contents</a></li>
      <li><a href="#ref">Bibliographies and references</a></li>
      <li><a href="#letter">Writing letters</a>
      <ul style="list-style-type: none;">
      <li style="display: inline-block; width: 212px; height: 0; margin-top: .5em; margin-left: -2.5em; border: solid 1px #8d8775;">&nbsp;</li>
      </ul></li>
      <li style="margin-top: -1em;"><a href="#quick">Quick reference guide</a></li>
      <li><a href="#appendices">Appendices</a></li>
    </ul>