Inscribed: <i>Map of the Roman Wall in the North of England. Reduced by permission from the Survey executed in 1853 for His Grace The Duke of Northumberland K.G. with additions from various other sources. 1884</i>. The map is from <cite class="book" style="font-style:normal">Bruce, John Collingwood (1885)      <i> The hand-book to the roman wall</i> (3<sup>rd</sup> ed.), Longmans, Green &amp; Co  <small></small></cite>
John Collingwood Bruce
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