File:Harlech Castle Plan 02375.jpg - Wikimedia Commons
Great Castles - Gallery - Beaumaris Castle
Beaumaris Castle | Cadw
CB_Arolygu / RC_Survey on Twitter: "#MuseumsUnlocked Plan of Beaumaris Castle from the 1937 Anglesey Inventory. Such drawings document the shift to illustrations based on more rigorous methods of metric survey under archaeologist