Dominions of Canute the Great, 1014-1035.
<a href="https://de.wikipedia.org/wiki/Velhagen_%26_Klasing" class="extiw" title="de:Velhagen &amp; Klasing">Velhagen &amp; Klasing</a> (V &amp; K)
1911
<p><a rel="nofollow" class="external text" href="http://www.lib.utexas.edu/maps/historical/history_shepherd_1923.html"><i>Historical Atlas</i> by William R. Shepherd, 1926 version</a>, at Perry-Castañeda Library
</p>
Map Collection (<a rel="nofollow" class="external text" href="http://www.lib.utexas.edu/maps/historical/shepherd/cnut_1014_1035.jpg">specific link</a>).  The same map was published earlier in the <a rel="nofollow" class="external text" href="http://www.lib.utexas.edu/maps/historical/history_shepherd_1911.html">1911 version</a>.  Copyright holders are V &amp; K; no individual cartographers are identified.