Cover illustration of the <a href="https://en.wikipedia.org/wiki/Ordnance_Survey" class="extiw" title="en:Ordnance Survey">Ordnance Survey</a>'s 1966 second edition of <i>Map of Britain in the Dark Ages</i>, showing an artistic reconstruction of the <a href="https://en.wikipedia.org/wiki/Sutton_Hoo_helmet" class="extiw" title="en:Sutton Hoo helmet">Sutton Hoo helmet</a>
Arthur Thomas Chester
<a rel="nofollow" class="external text" href="https://www.nationalarchives.gov.uk/education/resources/significant-places/sutton-hoo-suffolk-1965/">National Archives</a>; <a rel="nofollow" class="external text" href="https://www.nationalarchives.gov.uk/wp-content/uploads/2019/06/OS51-1501-3-Sutton-Hoo-ok.jpg">full file</a>; <a rel="nofollow" class="external text" href="https://discovery.nationalarchives.gov.uk/details/r/C10975754">National Archives record</a>.