Thomas Dugdale, Curiosities of Great Britain: England and Wales Delineated Vol…
“ Berkeley Castle appears to have been founded by Roger de Berkeley, soon after the The castle. Conquest; but various important additions were made to it during the reigns of Henry II., Edward II., and Edward III. The form of the castle approaches nearest to that of a circle; and the buildings are included by an irregular court, with a moat. The keep is flanked by three semi-circular towers, and a square one of subsequent construction: its walls are high and massive: the entrance into it is under an arched doorway, with ornamental sculpture in the Norman style, similar to one at Arundel Castle. ”
