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<li><a href="https://accessibility.18f.gov/index.html" rel="external">18F Accessibility Guide</a></li>
<li><a href="http://a11yproject.com" rel="external">The A11y Project</a></li>
<li><a href="https://www.gov.uk/service-manual/helping-people-to-use-your-service/making-your-service-accessible-an-introduction" rel="external">GOV.UK Service Manual -<span class="markdown-mdash