Oes y Tywysogion: Wales in the Age of the Princes
Wrexham Heritage Services would like to acknowledge the help of the following:
The Royal Commission on the Ancient and Historical Monuments of Wales (Comisiwn Brenhinol Henebion Cymru) and Cadw: Welsh Historical Monuments.
The National Library of Wales, the Masters and Fellows of Corpus Christi College, Cambridge; the Masters and Fellows of Trinity College, Cambridge; and the British Library.
Nikolaj Thon, Cole Maddison, Hedd ap Emlyn, Penny Icke, David Brown, Christine Kenyon, Hughes Design and Bark Design.