<a rel="nofollow" class="external text" href="http://www.burkespeerage.com/arms.php?&amp;letter=m">Burke’s Peerage</a> <a rel="nofollow" class="external text" href="http://s13.zetaboards.com/Tornado_SIG/topic/7198601/1/">Tornado Gr.1, ZA559 "MacRobert's Reply"</a> <a rel="nofollow" class="external text" href="http://xvsqnassociation.co.uk/xv%20sqn%20history/xv%20sqn%20macroberts%20reply.html">XV Squadron Association</a>