By Rivet, A.L.F.
By William Gibson
By Evans, Beryl
By Bottomley
By Lowe, Roy
By Dodgshon, Robert A., Butlin, Robin A.
By Manchester, A. H.
By Davies, P.L., Freedland, Mark R.
By Taylor, Arnold J., Avent, Richard, Cadw: Welsh Historic Monuments
By Herber, Mark D.
By Ingrams, Richard, Piper, John, J.
By Feuchtwanger, Edgar
By Tilney, Chrystal
By Burke, Edmund, Mitchell, L. G.
By Downes, David
By Margaret Evison
By Holden, Anthony
By Kinealy, Christine
By Nicholson, Mavis
By Evans, Eifion
By Ronald, Clements
By Hughes, Wendy
By Rix, Martyn, Alison, Hurst, Jacqui
By Griffiths, Gwyn
By Grant, Alexander
By Senior, Michael
By Angela V. John
By Morgan, Kenneth O.
By Stevens, C., Morris, Bob, Jenkins, Geraint H.