A plan of Calleva Atrebatum
<ul><li>Orig: Encyclopaedia Britannica</li>
<li>Vector work: <a href="//commons.wikimedia.org/wiki/User:Hogweard" title="User:Hogweard">Hogweard</a></li></ul>
<ul><li><span class="int-own-work" lang="en">Own work</span></li>
<li>Based on Illustration from 1911 Encyclopædia Britannica: "Fig 4.--General Plan of Silchester (Calleva Atrebatum)"</li></ul>