A map showing the dialects of English and Scots spoken in Ulster.
<a href="//commons.wikimedia.org/wiki/User:Asarla%C3%AD" title="User:Asarlaí">User:Asarlaí</a>
CC BY-SA 4.0
<ul><li><i>The Scotch-Irish Dialect Boundaries in Ulster</i> (1972) by R.J. Gregg</li>
<li><i>The Story of English</i> (1986) by Robert McCrum, Robert MacNeil and William Cran</li>
<li><a rel="nofollow" class="external text" href="http://www.uni-due.de/IERC/ulster_scots.htm">Irish English Resource Centre</a></li></ul>